Jayawardhana, Ray

Combined from CaltechAUTHORS

• Akhmetshyn, Roman and Artigau, Étienne, el al. (2025) Mapping Atmospheric Features of the Planetary-mass Brown Dwarf SIMP 0136 with JWST NIRISS; Astrophysical Journal; Vol. 993; No. 2; 237; 10.3847/1538-4357/ae046d
• Meziani, Yasmine J. and Flagg, Laura, el al. (2025) The Effect of Offsets from True Orbital Parameters on Exoplanet High-resolution Transmission Spectra; Astronomical Journal; Vol. 170; No. 5; 290; 10.3847/1538-3881/adf0fc
• Almendros-Abad, Victor and Scholz, Aleks, el al. (2025) Discovery of an Accretion Burst in a Free-floating Planetary-mass Object; Astrophysical Journal Letters; Vol. 992; No. 1; L2; 10.3847/2041-8213/ae09a8
• Mužic´, K. and Almendros-Abad, V., el al. (2025) The substellar population in Corona Australis; Astronomy & Astrophysics; Vol. 701; A147; 10.1051/0004-6361/202555903
• Damian, Belinda and Scholz, Aleks, el al. (2025) Spectroscopy of Free-floating Planetary-mass Objects and Their Disks with JWST; Astronomical Journal; Vol. 170; No. 2; 127; 10.3847/1538-3881/adea50
• Flagg, Laura and Scholz, Aleks, el al. (2025) Detection of Hydrocarbons in the Disk around an Actively Accreting Planetary-mass Object; Astrophysical Journal; Vol. 986; No. 2; 200; 10.3847/1538-4357/add71d
• Langeveld, Adam B. and Deibert, Emily K., el al. (2025) A Time-resolved High-resolution Spectroscopic Analysis of Ionized Calcium and Dynamical Processes in the Ultra-hot Jupiter HAT-P-70 b; Astrophysical Journal Letters; Vol. 981; No. 2; L32; 10.3847/2041-8213/adb70d
• Langeveld, Adam B. and Scholz, Aleks, el al. (2024) The JWST/NIRISS Deep Spectroscopic Survey for Young Brown Dwarfs and Free-floating Planets; Astronomical Journal; Vol. 168; No. 4; 179; 10.3847/1538-3881/ad6f0c
• Hao, Nicole and Flagg, Laura, el al. (2024) Detecting and Classifying Flares in High-resolution Solar Spectra with Supervised Machine Learning; Astrophysical Journal; Vol. 973; No. 2; 109; 10.3847/1538-4357/ad5be3
• Deibert, Emily K. and Langeveld, Adam B., el al. (2024) High-resolution Dayside Spectroscopy of WASP-189 b: Detection of Iron during the GHOST/Gemini South System Verification Run; Astronomical Journal; Vol. 168; No. 4; 148; 10.3847/1538-3881/ad643f
• Flagg, Laura and Weinberger, Alycia J., el al. (2024) Debris Disks Can Contaminate Mid-infrared Exoplanet Spectra: Evidence for a Circumstellar Debris Disk around Exoplanet Host WASP-39; Astrophysical Journal Letters; Vol. 969; No. 1; L19; 10.3847/2041-8213/ad4649
• Deibert, Emily K. and de Mooij, Ernst J. W., el al. (2023) ExoGemS High-resolution Transmission Spectroscopy of WASP-76b with GRACES; Astronomical Journal; Vol. 166; No. 4; 141; 10.3847/1538-3881/acebdc
• Flagg, Laura and Turner, Jake D., el al. (2023) ExoGemS Detection of a Metal Hydride in an Exoplanet Atmosphere at High Spectral Resolution; Astrophysical Journal Letters; Vol. 953; No. 2; L19; 10.3847/2041-8213/ace529
• Scholz, Aleks and Muzic, Koraljka, el al. (2023) Disks around Young Planetary-mass Objects: Ultradeep Spitzer Imaging of NGC 1333; Astronomical Journal; Vol. 165; No. 5; Art. No. 196; 10.3847/1538-3881/acc65d
• Ridden-Harper, Andrew and de Mooij, Ernst, el al. (2023) High-resolution Emission Spectroscopy of the Ultrahot Jupiter KELT-9b: Little Variation in Day- and Nightside Emission Line Contrasts; Astronomical Journal; Vol. 165; No. 5; 211; 10.3847/1538-3881/acc654
• Ridden-Harper, Andrew and Nugroho, Stevanus K., el al. (2023) High-resolution Transmission Spectroscopy of the Terrestrial Exoplanet GJ 486b; Astronomical Journal; Vol. 165; No. 4; 170; 10.3847/1538-3881/acbd39
• Scholz, Aleks and Muzic, Koraljka, el al. (2022) Rogue Planets and Brown Dwarfs: Predicting the Populations Free-floating Planetary Mass Objects Observable with JWST; Publications of the Astronomical Society of the Pacific; Vol. 134; No. 1040; 104401; 10.1088/1538-3873/ac9431
• Turner, Jake D. and Flagg, Laura, el al. (2022) Characterizing the WASP-4 System with TESS and Radial Velocity Data: Constraints on the Cause of the Hot Jupiter's Changing Orbit and Evidence of an Outer Planet; Astronomical Journal; Vol. 163; No. 6; 281; 10.3847/1538-3881/ac686f
• Herman, Miranda K. and de Mooij, Ernst J. W., el al. (2022) Dayside Fe i Emission, Day–Night Brightness Contrast and Phase Offset of the Exoplanet WASP-33b; Astronomical Journal; Vol. 163; No. 6; 248; 10.3847/1538-3881/ac5f4d
• Deibert, Emily K. and de Mooij, Ernst J. W., el al. (2021) Detection of Ionized Calcium in the Atmosphere of the Ultra-hot Jupiter WASP-76b; Astrophysical Journal Letters; Vol. 919; No. 2; L15; 10.3847/2041-8213/ac2513
• Deibert, Emily K. and de Mooij, Ernst J. W., el al. (2021) A Near-infrared Chemical Inventory of the Atmosphere of 55 Cancri e; Astronomical Journal; Vol. 161; No. 5; 209; 10.3847/1538-3881/abe768
• Turner, Jake D. and Ridden-Harper, Andrew, el al. (2021) Decaying Orbit of the Hot Jupiter WASP-12b: Confirmation with TESS Observations; Astronomical Journal; Vol. 161; No. 2; 72; 10.3847/1538-3881/abd178
• Ridden-Harper, Andrew and Turner, Jake D., el al. (2020) TESS Observations of the Hot Jupiter Exoplanet XO-6b: No Evidence of Transit Timing Variations; Astronomical Journal; Vol. 160; No. 6; 249; 10.3847/1538-3881/abba1e
• Hagelberg, J. and Engler, N., el al. (2020) VIBES: Visual Binary Exoplanet survey with SPHERE; Astronomy & Astrophysics; Vol. 643; A98; 10.1051/0004-6361/202039173
• Jindal, Abhinav and de Mooij, Ernst J. W., el al. (2020) Characterization of the Atmosphere of Super-Earth 55 Cancri e Using High-resolution Ground-based Spectroscopy; Astronomical Journal; Vol. 160; No. 3; 101; 10.3847/1538-3881/aba1eb
• Herman, Miranda K. and Mooij, Ernst J. W. de, el al. (2020) Search for TiO and Optical Nightside Emission from the Exoplanet WASP-33b; Astronomical Journal; Vol. 160; No. 2; 93; 10.3847/1538-3881/ab9e77
• Turner, Jake D. and de Mooij, Ernst J. W., el al. (2020) Detection of Ionized Calcium in the Atmosphere of the Ultra-hot Jupiter KELT-9b; Astrophysical Journal Letters; Vol. 888; No. 1; L13; 10.3847/2041-8213/ab60a9
• Venuti, L. and Stelzer, B., el al. (2019) X-shooter spectroscopy of young stars with disks; Astronomy & Astrophysics; Vol. 632; A46; 10.1051/0004-6361/201935745
• Mužić, Koraljka and Scholz, Alexander, el al. (2019) Looking Deep into the Rosette Nebula's Heart: The (Sub)stellar Content of the Massive Young Cluster NGC 2244; Astrophysical Journal; Vol. 881; No. 1; 79; 10.3847/1538-4357/ab2da4
• Moore, Keavin and Scholz, Aleks, el al. (2019) The Rotation-disk Connection in Young Brown Dwarfs: Strong Evidence for Early Rotational Braking; Astrophysical Journal; Vol. 872; No. 2; 159; 10.3847/1538-4357/aaff5c
• Osborn, H P and Kenworthy, M, el al. (2019) The PDS 110 observing campaign – photometric and spectroscopic observations reveal eclipses are aperiodic; Monthly Notices of the Royal Astronomical Society; Vol. 485; No. 2; 1614-1625; 10.1093/mnras/stz283
• Deibert, Emily K. and de Mooij, Ernst J. W., el al. (2019) High-resolution Transit Spectroscopy of Warm Saturns; Astronomical Journal; Vol. 157; No. 2; 58; 10.3847/1538-3881/aaf56b
• Scholz, Aleks and Moore, Keavin, el al. (2018) A Universal Spin–Mass Relation for Brown Dwarfs and Planets; Astrophysical Journal; Vol. 859; No. 2; 153; 10.3847/1538-4357/aabfbe
• Herman, Miranda K. and de Mooij, Ernst J. W., el al. (2017) Spin–Orbit Misalignment and Precession in the Kepler-13Ab Planetary System; Astronomical Journal; Vol. 155; No. 1; 13; 10.3847/1538-3881/aa991f
• Elliott, P. and Scholz, A., el al. (2017) A deep staring campaign in the σ Orionis cluster. Variability in substellar members; Astronomy & Astrophysics; Vol. 608; A66; 10.1051/0004-6361/201730973
• Cook, Neil J. and Scholz, Aleks, el al. (2017) Very Low-mass Stars and Brown Dwarfs in Upper Scorpius Using Gaia DR1: Mass Function, Disks, and Kinematics; Astronomical Journal; Vol. 154; No. 6; 256; 10.3847/1538-3881/aa9751
• Mužić, Koraljka and Schödel, Rainer, el al. (2017) The low-mass content of the massive young star cluster RCW 38; Monthly Notices of the Royal Astronomical Society; Vol. 471; No. 3; 3699-3712; 10.1093/mnras/stx1906
• Esteves, Lisa J. and de Mooij, Ernst J. W., el al. (2017) A Search for Water in a Super-Earth Atmosphere: High-resolution Optical Spectroscopy of 55Cancri e; Astronomical Journal; Vol. 153; No. 6; 268; 10.3847/1538-3881/aa7133
• Daemgen, Sebastian and Todorov, Kamen, el al. (2017) Mid-infrared characterization of the planetary-mass companion ROXs 42B b; Astronomy & Astrophysics; Vol. 601; A65; 10.1051/0004-6361/201629949
• Kostov, Veselin B. and Moore, Keavin, el al. (2016) Tatooine's Future: The Eccentric Response of Kepler's Circumbinary Planets to Common-Envelope Evolution of Their Host Stars; Astrophysical Journal; Vol. 832; No. 2; 183; PMCID PMC7394308; 10.3847/0004-637x/832/2/183
• Daemgen, Sebastian and Natta, Antonella, el al. (2016) Brown dwarf disks with Herschel: Linking far-infrared and (sub)-mm fluxes; Astronomy & Astrophysics; Vol. 594; A83; 10.1051/0004-6361/201628431
• Currie, Thayne and Grady, Carol A., el al. (2016) The Matryoshka Disk: Keck/NIRC2 Discovery of a Solar-System-Scale, Radially Segregated Residual Protoplanetary Disk Around HD 141569A; Astrophysical Journal Letters; Vol. 819; No. 2; L26; 10.3847/2041-8205/819/2/l26
• Daemgen, Sebastian and Elliot Meyer, R., el al. (2016) The frequency of accretion disks around single stars: Chamaeleon I; Astronomy & Astrophysics; Vol. 586; A12; 10.1051/0004-6361/201525897
• Daemgen, Sebastian and Jayawardhana, Ray, el al. (2015) Protoplanetary Disk Evolution: Singles vs. Binaries; Proceedings of the International Astronomical Union; Vol. 10; No. S314; 135-138; 10.1017/s1743921315006316
• Mužić, Koraljka and Scholz, Alexander, el al. (2015) Substellar Objects in Nearby Young Clusters (SONYC) IX: The Planetary-Mass Domain of Chamaeleon-I and Updated Mass Function in Lupus-3; Astrophysical Journal; Vol. 810; No. 2; 159; 10.1088/0004-637x/810/2/159
• Scholz, Alexander and Kostov, Veselin, el al. (2015) Rotation Periods of Young Brown Dwarfs: K2 Survey in Upper Scorpius; Astrophysical Journal Letters; Vol. 809; No. 2; L29; 10.1088/2041-8205/809/2/l29
• des Etangs, Alain Lecavelier and Minniti, Dante, el al. (2015) Division F Commission 53: Extrasolar Planets; Proceedings of the International Astronomical Union; Vol. 11; No. T29A; 383-387; 10.1017/s1743921316000867
• Ehrenfreund, Pascale Foing and Kwok, Sun, el al. (2015) Report; Proceedings of the International Astronomical Union; Vol. 11; No. T29A; 380-382; 10.1017/s1743921316000855
• Esteves, Lisa J. and Mooij, Ernst J. W. De, el al. (2015) Changing Phases of Alien Worlds: Probing Atmospheres of Kepler Planets with High-Precision Photometry; Astrophysical Journal; Vol. 804; No. 2; 150; 10.1088/0004-637x/804/2/150
• Lachapelle, François-René and Lafrenière, David, el al. (2015) Characterization of Low-Mass, Wide-Separation Substellar Companions to Stars in Upper Scorpius: Near-Infrared Photometry and Spectroscopy; Astrophysical Journal; Vol. 802; No. 1; 61; 10.1088/0004-637x/802/1/61
• Croll, Bryce and Albert, Loic, el al. (2015) Near-Infrared Thermal Emission Detections of a Number of Hot Jupiters and the Systematics of Ground-Based Near-Infrared Photometry; Astrophysical Journal; Vol. 802; No. 1; 28; 10.1088/0004-637x/802/1/28
• Daemgen, Sebastian and Bonavita, Mariangela, el al. (2015) Sub-Stellar Companions and Stellar Multiplicity in the Taurus Star-Forming Region; Astrophysical Journal; Vol. 799; No. 2; 155; 10.1088/0004-637x/799/2/155
• Esteves, Lisa J. and Jayawardhana, Ray, el al. (2015) Making the Most of Kepler Photometry: Characterizing Exoplanets through Phase Curve Analysis; EPJ Web of Conferences; Vol. 101; 02003; 10.1051/epjconf/201510102003
• de Mooij, E. J. W. and López-Morales, M., el al. (2014) Ground-Based Transit Observations of the Super-Earth 55 Cnc e; Astrophysical Journal Letters; Vol. 797; No. 2; L21; 10.1088/2041-8205/797/2/l21
• Cloutier, Ryan and Currie, Thayne, el al. (2014) A Deep Spitzer Survey of Circumstellar Disks in the Young Double Cluster, h and χ Persei; Astrophysical Journal; Vol. 796; No. 2; 127; 10.1088/0004-637x/796/2/127
• Currie, Thayne and Burrows, Adam, el al. (2014) Deep Thermal Infrared Imaging of HR 8799 bcde: New Atmospheric Constraints and Limits on a Fifth Planet; Astrophysical Journal; Vol. 795; No. 2; 133; 10.1088/0004-637x/795/2/133
• Radigan, Jacqueline and Lafrenière, David, el al. (2014) Strong Brightness Variations Signal Cloudy-To-Clear Transition of Brown Dwarfs; Astrophysical Journal; Vol. 793; No. 2; 75; 10.1088/0004-637x/793/2/75
• Bonavita, Mariangela and Daemgen, Sebastian, el al. (2014) A New Sub-Stellar Companion Around the Young Star HD 284149; Astrophysical Journal Letters; Vol. 791; No. 2; L40; 10.1088/2041-8205/791/2/l40
• Broekhoven-Fiene, Hannah and Matthews, Brenda, el al. (2014) The Disk Around the Brown Dwarf KPNO Tau 3; Astrophysical Journal; Vol. 789; No. 2; 155; 10.1088/0004-637x/789/2/155
• Mužić, Koraljka and Scholz, Alexander, el al. (2014) Substellar Objects in Nearby Young Clusters (SONYC). VIII. Substellar Population in Lupus 3; Astrophysical Journal; Vol. 785; No. 2; 159; 10.1088/0004-637x/785/2/159
• Lafrenière, David and Jayawardhana, Ray, el al. (2014) An Adaptive Optics Multiplicity Census of Young Stars in Upper Scorpius; Astrophysical Journal; Vol. 785; No. 1; 47; 10.1088/0004-637x/785/1/47
• Currie, Thayne and Daemgen, Sebastian, el al. (2013) Direct Imaging and Spectroscopy of a Candidate Companion Below/Near the Deuterium-Burning Limit in the Young Binary Star System, ROXs 42B; Astrophysical Journal Letters; Vol. 780; No. 2; L30; 10.1088/2041-8205/780/2/l30
• Jayawardhana, Ray (2013) Coming Soon: A Supernova Near You; Scientific American; Vol. 309; No. 6; 68-73; 10.1038/scientificamerican1213-68
• Radigan, Jacqueline and Jayawardhana, Ray, el al. (2013) Discovery of a Visual T-Dwarf Triple System and Binarity at the L/T Transition; Astrophysical Journal; Vol. 778; No. 1; 36; 10.1088/0004-637x/778/1/36
• Jayawardhana, Ray (2013) Is life on Earth unique?; Physics World; Vol. 26; No. 10; 39-40; 10.1088/2058-7058/26/10/36
• Currie, Thayne and Burrows, Adam, el al. (2013) A Combined Very Large Telescope and Gemini Study of the Atmosphere of the Directly Imaged Planet, β Pictoris b; Astrophysical Journal; Vol. 776; No. 1; 15; 10.1088/0004-637x/776/1/15
• Scholz, Alexander and Geers, Vincent, el al. (2013) Substellar Objects in Nearby Young Clusters. VII. The Substellar Mass Function Revisited; Astrophysical Journal; Vol. 775; No. 2; 138; 10.1088/0004-637x/775/2/138
• Janson, Markus and Lafrenière, David, el al. (2013) A Multiplicity Census of Intermediate-Mass Stars in Scorpius-Centaurus; Astrophysical Journal; Vol. 773; No. 2; 170; 10.1088/0004-637x/773/2/170
• Esteves, Lisa J. and De Mooij, Ernst J. W., el al. (2013) Optical Phase Curves of Kepler Exoplanets; Astrophysical Journal; Vol. 772; No. 1; 51; 10.1088/0004-637x/772/1/51
• Bonavita, M. and de Mooij, E. J. W., el al. (2013) Quick-MESS: A Fast Statistical Tool for Exoplanet Imaging Surveys; Publications of the Astronomical Society of the Pacific; Vol. 125; No. 929; 849-856; 10.1086/671758
• de Mooij, E. J. W. and Brogi, M., el al. (2013) Search for Rayleigh Scattering in the Atmosphere of GJ1214b; Astrophysical Journal; Vol. 771; No. 2; 109; 10.1088/0004-637x/771/2/109
• Bonavita, Mariangela and De Mooij, Ernst, el al. (2013) Quick-MESS: A fast statistical tool for Exoplanet Imaging Surveys; Proceedings of the International Astronomical Union; Vol. 8; No. S299; 28-29; 10.1017/s1743921313007710
• Apai, Dániel and Radigan, Jacqueline, el al. (2013) HST Spectral Mapping of L/T Transition Brown Dwarfs Reveals Cloud Thickness Variations; Astrophysical Journal; Vol. 768; No. 2; 121; 10.1088/0004-637x/768/2/121
• de Mooij, Ernst J.W. and Jayawardhana, Ray (2013) High-precision ground-based photometry of exoplanets; EPJ Web of Conferences; Vol. 47; 13001; 10.1051/epjconf/20134713001
• Mužić, Koraljka and Radigan, Jacqueline, el al. (2012) Discovery of Two Very Wide Binaries with Ultracool Companions and a New Brown Dwarf at the L/T Transition; Astronomical Journal; Vol. 144; No. 6; 180; PMCID PMC6294308; 10.1088/0004-6256/144/6/180
• Janson, Markus and Jayawardhana, Ray, el al. (2012) New Brown Dwarf Companions to Young Stars in Scorpius-Centaurus; Astrophysical Journal Letters; Vol. 758; No. 1; L2; 10.1088/2041-8205/758/1/l2
• Doyon, René and Hutchings, John B., el al. (2012) The JWST Fine Guidance Sensor (FGS) and Near-Infrared Imager and Slitless Spectrograph (NIRISS); SPIE Proceedings; Vol. 8442; 84422R; 10.1117/12.926578
• Scholz, Alexander and Jayawardhana, Ray, el al. (2012) Substellar Objects in Nearby Young Clusters (SONYC). VI. The Planetary-Mass Domain of NGC 1333; Astrophysical Journal; Vol. 756; No. 1; 24; 10.1088/0004-637x/756/1/24
• Radigan, Jacqueline and Jayawardhana, Ray, el al. (2012) Large-Amplitude Variations of an L/T Transition Brown Dwarf: Multi-Wavelength Observations of Patchy, High-Contrast Cloud Features; Astrophysical Journal; Vol. 750; No. 2; 105; 10.1088/0004-637x/750/2/105
• Nguyen, Duy Cuong and Brandeker, Alexis, el al. (2012) Erratum: "Close Companions to Young Stars. I. A Large Spectroscopic Survey in Chamaeleon I and Taurus-Auriga" (2012, ApJ, 745, 119); Astrophysical Journal; Vol. 749; No. 1; 94; 10.1088/0004-637x/749/1/94
• Nguyen, Duy Cuong and Brandeker, Alexis, el al. (2012) Close Companions to Young Stars. I. A Large Spectroscopic Survey in Chamaeleon I and Taurus-Auriga; Astrophysical Journal; Vol. 745; No. 2; 119; 10.1088/0004-637x/745/2/119
• Mužić, Koraljka and Scholz, Alexander, el al. (2011) Substellar Objects in Nearby Young Clusters (SONYC). V. New Brown Dwarfs in ρ Ophiuchi; Astrophysical Journal; Vol. 744; No. 2; 134; 10.1088/0004-637x/744/2/134
• Scholz, Alexander and Muzic, Koraljka, el al. (2011) Substellar Objects in Nearby Young Clusters (SONYC). IV. A Census of Very Low Mass Objects in NGC 1333; Astrophysical Journal; Vol. 744; No. 1; 6; 10.1088/0004-637x/744/1/6
• Janson, Markus and Bonavita, Mariangela, el al. (2011) High-Contrast Imaging Search for Planets and Brown Dwarfs Around the Most Massive Stars in the Solar Neighborhood; Astrophysical Journal; Vol. 736; No. 2; 89; 10.1088/0004-637x/736/2/89
• Croll, Bryce and Albert, Loic, el al. (2011) Broadband Transmission Spectroscopy of the Super-Earth GJ 1214b Suggests a Low Mean Molecular Weight Atmosphere; Astrophysical Journal; Vol. 736; No. 2; 78; 10.1088/0004-637x/736/2/78
• Mužić, Koraljka and Scholz, Alexander, el al. (2011) Substellar Objects in Nearby Young Clusters (SONYC). III. Chamaeleon-I; Astrophysical Journal; Vol. 732; No. 2; 86; 10.1088/0004-637x/732/2/86
• Lafrenière, David and Jayawardhana, Ray, el al. (2011) Discovery of an ∼23 MJup Brown Dwarf Orbiting ∼700 AU from the Massive Star HIP 78530 in Upper Scorpius; Astrophysical Journal; Vol. 730; No. 1; 42; 10.1088/0004-637x/730/1/42
• Croll, Bryce and Lafreniere, David, el al. (2010) Near-Infrared Thermal Emission from WASP-12b: Detections of the Secondary Eclipse in Ks, H, and J; Astronomical Journal; Vol. 141; No. 2; 30; 10.1088/0004-6256/141/2/30
• Geers, Vincent and Scholz, Alexander, el al. (2010) Substellar Objects in Nearby Young Clusters (SONYC). II. The Brown Dwarf Population of ρ Ophiuchi; Astrophysical Journal; Vol. 726; No. 1; 23; 10.1088/0004-637x/726/1/23
• Bonavita, Mariangela and Jayawardhana, Ray, el al. (2010) Direct imaging and spectroscopy of planets and brown dwarfs in wide orbits; Proceedings of the International Astronomical Union; Vol. 6; No. S276; 113-116; 10.1017/s1743921311020035
• Scholz, A. and Wood, K., el al. (2010) A multiwavelength view of the protostellar binary IRAS 04325+2402: a case for turbulent fragmentation; Monthly Notices of the Royal Astronomical Society; Vol. 409; No. 4; 1557-1569; 10.1111/j.1365-2966.2010.17397.x
• Lafrenière, David and Jayawardhana, Ray, el al. (2010) The Directly Imaged Planet Around the Young Solar Analog 1RXS J160929.1 – 210524: Confirmation of Common Proper Motion, Temperature, and Mass; Astrophysical Journal; Vol. 719; No. 1; 497-504; 10.1088/0004-637x/719/1/497
• Doyon, R. and Hutchings, J., el al. (2010) The JWST tunable filter imager (TFI); SPIE Proceedings; Vol. 7731; 77310F; 10.1117/12.857382
• Croll, Bryce and Jayawardhana, Ray, el al. (2010) Near-Infrared Thermal Emission from TrES-3b: A Ks-Band Detection and an H-Band Upper Limit on the Depth of the Secondary Eclipse; Astrophysical Journal; Vol. 718; No. 2; 920-927; 10.1088/0004-637x/718/2/920
• Artigau, Étienne and Radigan, Jacqueline, el al. (2010) DENIS J081730.0–615520: An Overlooked Mid-T Dwarf in the Solar Neighborhood; Astrophysical Journal Letters; Vol. 718; No. 1; L38-L42; 10.1088/2041-8205/718/1/l38
• Croll, Bryce and Albert, Loic, el al. (2010) Near-Infrared Thermal Emission from the Hot Jupiter TrES-2b: Ground-Based Detection of the Secondary Eclipse; Astrophysical Journal; Vol. 717; No. 2; 1084-1091; 10.1088/0004-637x/717/2/1084
• Fedele, D. and van den Ancker, M. E., el al. (2010) Timescale of mass accretion in pre-main-sequence stars; Astronomy and Astrophysics; Vol. 510; A72; 10.1051/0004-6361/200912810
• Kurtev, R. G. and Ivanov, V. D., el al. (2009) Ultra cool dwarfs with companions; Proceedings of the International Astronomical Union; Vol. 5; No. H15; 546-546; 10.1017/s1743921310010653
• Jayawardhana, Ray (2009) Accretion Disks in the Sub-Stellar Realm: Properties and Evolution; Proceedings of the International Astronomical Union; Vol. 5; No. H15; 729-729; 10.1017/s1743921310011208
• Scholz, A. and Xu, X., el al. (2009) Hotspots and a clumpy disc: variability of brown dwarfs and stars in the young σ Ori cluster; Monthly Notices of the Royal Astronomical Society; Vol. 398; No. 2; 873-886; 10.1111/j.1365-2966.2009.15021.x
• Scholz, Alexander and Geers, Vincent, el al. (2009) Substellar Objects in Nearby Young Clusters (SONYC): The Bottom of The Initial Mass Function in NGC 1333; Astrophysical Journal; Vol. 702; No. 1; 805-822; 10.1088/0004-637x/702/1/805
• Radigan, Jacqueline and Lafrenière, David, el al. (2009) Discovery of the Widest Very Low Mass Field Binary; Astrophysical Journal; Vol. 698; No. 1; 405-409; 10.1088/0004-637x/698/1/405
• Nguyen, Duy Cuong and Jayawardhana, Ray, el al. (2009) Disk Braking in Young Stars: Probing Rotation in Chamaeleon I and Taurus-Auriga; Astrophysical Journal; Vol. 695; No. 2; 1648-1656; 10.1088/0004-637x/695/2/1648
• Nguyen, Duy Cuong and Scholz, Alexander, el al. (2009) How Variable is Accretion in Young Stars?; Astrophysical Journal; Vol. 694; No. 2; L153-L157; 10.1088/0004-637x/694/2/l153
• Nguyen, Duy Cuong and Brandeker, Alexis, el al. (2009) Multiplicity in Star Formation: Close Binaries in Chamaeleon I and Taurus-Auriga; AIP Conference Proceedings; 848-851; 10.1063/1.3099249
• Mentuch, Erin and Brandeker, Alexis, el al. (2008) Lithium Depletion of Nearby Young Stellar Associations; Astrophysical Journal; Vol. 689; No. 2; 1127-1140; 10.1086/592764
• Radigan, Jacqueline and Lafrenière, David, el al. (2008) Discovery of a Wide Substellar Companion to a Nearby Low‐Mass Star; Astrophysical Journal; Vol. 689; No. 1; 471-477; 10.1086/592379
• Lafrenière, David and Jayawardhana, Ray, el al. (2008) Direct Imaging and Spectroscopy of a Planetary-Mass Candidate Companion to a Young Solar Analog; Astrophysical Journal; Vol. 689; No. 2; L153-L156; 10.1086/595870
• Lafrenière, David and Jayawardhana, Ray, el al. (2008) A Multiplicity Census of Young Stars in Chamaeleon I; Astrophysical Journal; Vol. 683; No. 2; 844-861; 10.1086/590239
• Doyon, R. and Rowlands, N., el al. (2008) The JWST tunable filter imager (TFI); SPIE Proceedings; Vol. 7010; 70100X; 10.1117/12.789504
• Scholz, Alexander and Jayawardhana, Ray, el al. (2008) IRAS 04325+2402C: A Very Low Mass Object with an Edge-On Disk; Astrophysical Journal; Vol. 681; No. 1; L29-L32; 10.1086/590339
• Nguyen, Duy Cuong and Jayawardhana, Ray, el al. (2008) A Search for Disk-Locking in the Chamaeleon I Star Forming Region; ESO Astrophysics Symposia; 307-308; 10.1007/978-3-540-75485-5_77
• Ahmic, Mirza and Jayawardhana, Ray, el al. (2007) Multiplicity among Young Brown Dwarfs and Very Low Mass Stars; Astrophysical Journal; Vol. 671; No. 2; 2074-2081; 10.1086/522875
• Stelzer, Beate and Scholz, Alexander, el al. (2007) Emission Line Variability of the Accreting Young Brown Dwarf 2MASSW J1207334−393254: From Hours to Years; Astrophysical Journal; Vol. 671; No. 1; 842-852; 10.1086/521431
• Scholz, Alexander and Jayawardhana, Ray (2007) Dusty Disks at the Bottom of the Initial Mass Function; Astrophysical Journal; Vol. 672; No. 1; L49-L52; 10.1086/526340
• Damjanov, Ivana and Jayawardhana, Ray, el al. (2007) A Comprehensive View of Circumstellar Disks in Chamaeleon I: Infrared Excess, Accretion Signatures, and Binarity; Astrophysical Journal; Vol. 670; No. 2; 1337-1346; 10.1086/522079
• Lafreniere, David and Doyon, Rene, el al. (2007) The Gemini Deep Planet Survey; Astrophysical Journal; Vol. 670; No. 2; 1367-1390; 10.1086/522826
• Ward‐Thompson, D. and Di Francesco, J., el al. (2007) The James Clerk Maxwell Telescope Legacy Survey of Nearby Star‐forming Regions in the Gould Belt; Publications of the Astronomical Society of the Pacific; Vol. 119; No. 858; 855-870; 10.1086/521277
• Scholz, Alexander and Coffey, Jaime, el al. (2007) Rotation and Activity of Pre–Main‐Sequence Stars; Astrophysical Journal; Vol. 662; No. 2; 1254-1267; 10.1086/518361
• Scholz, Alexander and Jayawardhana, Ray, el al. (2007) Evolution of Brown Dwarf Disks: A Spitzer Survey in Upper Scorpius; Astrophysical Journal; Vol. 660; No. 2; 1517-1531; 10.1086/513066
• Whelan, Emma T. and Ray, Thomas P., el al. (2007) Outflow activity in brown dwarfs; Proceedings of the International Astronomical Union; Vol. 3; No. S243; 357-364; 10.1017/s1743921307009714
• Mohanty, Subhanjoy and Jayawardhana, Ray, el al. (2007) The Planetary Mass Companion 2MASS 1207−3932B: Temperature, Mass, and Evidence for an Edge‐on Disk; Astrophysical Journal; Vol. 657; No. 2; 1064-1091; 10.1086/510877
• Whelan, E. T. and Ray, T. P., el al. (2007) Discovery of a Bipolar Outflow from 2MASSW J1207334-393254, a 24 MJup Brown Dwarf; Astrophysical Journal; Vol. 659; No. 1; L45-L48; 10.1086/516734
• Brandeker, Alexis and Jayawardhana, Ray, el al. (2006) Deficit of Wide Binaries in the η Chamaeleontis Young Cluster; Astrophysical Journal; Vol. 652; No. 2; 1572-1584; 10.1086/508483
• Brandeker, Alexis and Jayawardhana, Ray, el al. (2006) Infrared Spectroscopy of the Ultra-Low-Mass Binary Oph 162225-240515; Astrophysical Journal; Vol. 653; No. 1; L61-L64; 10.1086/510308
• Jayawardhana, Ray and Coffey, Jaime, el al. (2006) Accretion Disks around Young Stars: Lifetimes, Disk Locking, and Variability; Astrophysical Journal; Vol. 648; No. 2; 1206-1218; 10.1086/506171
• Jayawardhana, Ray and Ivanov, Valentin D. (2006) Discovery of a Young Planetary-Mass Binary; Science; Vol. 313; No. 5791; 1279-1281; 10.1126/science.1132128
• Jayawardhana, Ray and Ivanov, Valentin D. (2006) Spectroscopy of Young Planetary Mass Candidates with Disks; Astrophysical Journal; Vol. 647; No. 2; L167-L170; 10.1086/507522
• Scholz, Alexander and Jayawardhana, Ray, el al. (2006) Exploring Brown Dwarf Disks: A 1.3 mm Survey in Taurus; Astrophysical Journal; Vol. 645; No. 2; 1498-1508; 10.1086/504464
• Osten, Rachel A. and Jayawardhana, Ray (2006) Radio Constraints on Activity in Young Brown Dwarfs; Astrophysical Journal; Vol. 644; No. 1; L67-L70; 10.1086/505328
• Scholz, Alexander and Jayawardhana, Ray (2006) Variable Accretion and Outflow in Young Brown Dwarfs; Astrophysical Journal; Vol. 638; No. 2; 1056-1069; 10.1086/498973
• Stelzer, B. and Micela, G., el al. (2006) X-ray emission of brown dwarfs: towards constraining the dependence on age, luminosity, and temperature; Astronomy & Astrophysics; Vol. 448; No. 1; 293-304; 10.1051/0004-6361:20053677
• Jha, Saurabh and Kirshner, Robert P., el al. (2006) UBVRI Light Curves of 44 Type Ia Supernovae; Astronomical Journal; Vol. 131; No. 1; 527-554; 10.1086/497989
• Mohanty, Subhanjoy and Jayawardhana, Ray (2006) The Mystery of Brown Dwarf Origins; Scientific American; Vol. 294; No. 1; 38-44; 10.1038/scientificamerican0106-38
• Whelan, E.T. and Ray, T.P., el al. (2006) Probing outflow activity in very low mass stars and brown dwarfs; New Astronomy Reviews; Vol. 49; No. 10-12; 582-589; 10.1016/j.newar.2005.10.011
• Mohanty, S. and Basri, G., el al. (2005) Accretion in brown dwarfs down to nearly planetary masses; Astronomische Nachrichten; Vol. 326; No. 10; 891-894; 10.1002/asna.200510450
• Scholz, A. and Jayawardhana, R., el al. (2005) Rotation and variability of young very low‐mass objects; Astronomische Nachrichten; Vol. 326; No. 10; 895-898; 10.1002/asna.200510437
• Berger, E. and Kulkarni, S. R., el al. (2005) Afterglows, Redshifts, and Properties of Swift Gamma‐Ray Bursts; Astrophysical Journal; Vol. 634; No. 1; 501-508; 10.1086/491667
• Haisch, Karl E. and Jayawardhana, Ray, el al. (2005) Close Companions to Nearby Young Stars from Adaptive Optics Imaging on VLT and Keck; ESO Astrophysics Symposia; 177-182; 10.1007/10828557_29
• Scholz, Alexander and Jayawardhana, Ray, el al. (2005) Whims of an Accreting Young Brown Dwarf: Exploring the Emission-Line Variability of 2MASSW J1207334-393254; Astrophysical Journal; Vol. 629; No. 1; L41-L44; 10.1086/444358
• Berger, E. and Rutledge, R. E., el al. (2005) The Magnetic Properties of an L Dwarf Derived from Simultaneous Radio, X‐Ray, and Hα Observations; Astrophysical Journal; Vol. 627; No. 2; 960-973; 10.1086/430343
• Haisch, Jr., Karl E. and Jayawardhana, Ray, el al. (2005) Constraints on Inner Disk Evolution Timescales: A Disk Census of the η Chamaeleontis Young Cluster; Astrophysical Journal; Vol. 627; No. 1; L57-L60; 10.1086/431898
• Mohanty, Subhanjoy and Jayawardhana, Ray, el al. (2005) The T Tauri Phase Down to Nearly Planetary Masses: Echelle Spectra of 82 Very Low Mass Stars and Brown Dwarfs; Astrophysical Journal; Vol. 626; No. 1; 498-522; 10.1086/429794
• Barrado y Navascues, David and Jayawardhana, Ray (2004) A New Classical T Tauri Object at the Substellar Boundary in Chamaeleon II; Astrophysical Journal; Vol. 615; No. 2; 840-849; 10.1086/424560
• Navascues, David Barrado y and Stauffer, John R., el al. (2004) Spectroscopy of Very Low Mass Stars and Brown Dwarfs in IC 2391: Lithium Depletion and Hα Emission; Astrophysical Journal; Vol. 614; No. 1; 386-397; 10.1086/423485
• Navascués, D. Barrado y and Stauffer, J. R., el al. (2004) The Substellar Population of the Young Cluster λ Orionis; Astrophysical Journal; Vol. 610; No. 2; 1064-1078; 10.1086/421762
• Mohanty, Subhanjoy and Jayawardhana, Ray, el al. (2004) Measuring Fundamental Parameters of Substellar Objects. II. Masses and Radii; Astrophysical Journal; Vol. 609; No. 2; 885-905; 10.1086/420924
• Mohanty, Subhanjoy and Basri, Gibor, el al. (2004) Measuring Fundamental Parameters of Substellar Objects. I. Surface Gravities; Astrophysical Journal; Vol. 609; No. 2; 854-884; 10.1086/420923
• Navascués, D. Barrado Y and Martín, E.L., el al. (2004) Classical T Tauri Stars and Substellar Analogs; Astrophysics and Space Science; Vol. 292; No. 1-4; 665-672; 10.1023/b:astr.0000045073.12759.1f
• Mohanty, Subhanjoy and Jayawardhana, Ray, el al. (2004) Flared Disks and Silicate Emission in Young Brown Dwarfs; Astrophysical Journal; Vol. 609; No. 1; L33-L36; 10.1086/422555
• Navascués, David Barrado y and Mohanty, Subhanjoy, el al. (2004) Accretion and Outflow in the Substellar Domain: Magellan Spectroscopy of LS‐RCrA 1; Astrophysical Journal; Vol. 604; No. 1; 284-296; 10.1086/381747
• Greaves, J. S. and Holland, W. S., el al. (2004) A search for debris discs around stars with giant planets; Monthly Notices of the Royal Astronomical Society; Vol. 348; No. 3; 1097-1104; 10.1111/j.1365-2966.2004.07440.x
• Stelzer, B. and Fernández, M., el al. (2003) The weak-line T Tauri star V410 Tau; Astronomy & Astrophysics; Vol. 411; No. 3; 517-531; 10.1051/0004-6361:20031414
• Brandeker, Alexis and Jayawardhana, Ray, el al. (2003) Keck Adaptive Optics Imaging of Nearby Young Stars: Detection of Close Multiple Systems; Astronomical Journal; Vol. 126; No. 4; 2009-2014; 10.1086/378057
• Jayawardhana, Ray and Ardila, David R., el al. (2003) A Disk Census for Young Brown Dwarfs; Astronomical Journal; Vol. 126; No. 3; 1515-1521; 10.1086/377144
• Mohanty, Subhanjoy and Jayawardhana, Ray, el al. (2003) Magellan Echelle Spectroscopy of TW Hydrae Brown Dwarfs; Astrophysical Journal; Vol. 593; No. 2; L109-L112; 10.1086/378315
• Hogerheijde, Michiel R. and Johnstone, Doug, el al. (2003) Indications for Grain Growth and Mass Decrease in Cold Dust Disks around Classical T Tauri Stars in the MBM 12 Young Association; Astrophysical Journal; Vol. 593; No. 2; L101-L104; 10.1086/378345
• Jayawardhana, Ray and Mohanty, Subhanjoy, el al. (2003) Evidence for a T Tauri Phase in Young Brown Dwarfs; Astrophysical Journal; Vol. 592; No. 1; 282-287; 10.1086/375573
• Jayawardhana, Ray and Mohanty, Subhanjoy, el al. (2003) Observational Clues to Brown Dwarf Origins; Open Issues in Local Star Formation; 251-258; 10.1007/1-4020-2600-5_30
• Mohanty, Subhanjoy and Jayawardhana, Ray, el al. (2003) Surface Gravity & Mass in Young Brown Dwarfs and Planemos; Open Issues in Local Star Formation; 259-266; 10.1007/1-4020-2600-5_31
• Jayawardhana, Ray and Mohanty, Subhanjoy, el al. (2002) Probing Disk Accretion in Young Brown Dwarfs; Astrophysical Journal; Vol. 578; No. 2; L141-L144; 10.1086/344707
• Alonso-Herrero, Almudena and Ivanov, Valentin D., el al. (2002) The Relation between Mid-Infrared Emission and Black Hole Mass in Active Galactic Nuclei: A Direct Way to Probe Black Hole Growth?; Astrophysical Journal; Vol. 571; No. 1; L1-L5; 10.1086/341198
• Jayawardhana, Ray and Luhman, K. L., el al. (2002) Discovery of an Edge-On Disk in the MBM 12 Young Association; Astrophysical Journal; Vol. 571; No. 1; L51-L54; 10.1086/341202
• Jayawardhana, Ray and Holland, Wayne S., el al. (2002) New Submillimeter Limits on Dust in the 55 Cancri Planetary System; Astrophysical Journal; Vol. 570; No. 2; L93-L96; 10.1086/341101
• Luhman, K. L. and Jayawardhana, Ray (2002) An Adaptive Optics Search for Companions to Stars with Planets; Astrophysical Journal; Vol. 566; No. 2; 1132-1146; 10.1086/338338
• Brandeker, Alexis and Liseau, René, el al. (2001) Discovery of a New Companion and Evidence of a Circumprimary Disk: Adaptive Optics Imaging of the Young Multiple System VW Chamaeleon; Astrophysical Journal; Vol. 561; No. 2; L199-L202; 10.1086/324676
• Jayawardhana, Ray and Brandeker, Alexis (2001) Discovery of Close Companions to the Nearby Young Stars HD 199143 and HD 358623; Astrophysical Journal; Vol. 561; No. 1; L111-L113; 10.1086/324443
• Jayawardhana, Ray and Fisher, R. Scott, el al. (2001) Mid-Infrared Imaging of Candidate Vega-like Systems; Astronomical Journal; Vol. 122; No. 4; 2047-2054; 10.1086/322092
• Marcy, Geoffrey W. and Butler, R. Paul, el al. (2001) Two Substellar Companions Orbiting HD 168443; Astrophysical Journal; Vol. 555; No. 1; 418-425; 10.1086/321445
• Jayawardhana, Ray and Wolk, Scott J., el al. (2001) Protoplanetary Disks in the Nearest Star-Forming Cloud: Mid-Infrared Imaging and Optical Spectroscopy of MBM 12 Members; Astrophysical Journal; Vol. 550; No. 2; L197-L200; 10.1086/319647
• Jayawardhana, Ray and Hartmann, Lee, el al. (2001) Infall Models of Class 0 Protostars; Astrophysical Journal; Vol. 548; No. 1; 310-317; 10.1086/318650
• Marengo, Massimo and Jayawardhana, Ray, el al. (2000) Mid-Infrared Imaging of the Massive Young Star AFGL 2591: Probing the Circumstellar Environment of an Outflow Source; Astrophysical Journal; Vol. 541; No. 2; L63-L66; 10.1086/312899
• Jayawardhana, Ray (2000) New Stars on the Block; Science; Vol. 288; No. 5463; 64-65; 10.1126/science.288.5463.64
• Telesco, C. M. and Fisher, R. S., el al. (2000) Deep 10 and 18 Micron Imaging of the HR 4796A Circumstellar Disk: Transient Dust Particles and Tentative Evidence for a Brightness Asymmetry; Astrophysical Journal; Vol. 530; No. 1; 329-341; 10.1086/308332
• Hartmann, Lee and Calvet, Nuria, el al. (1999) The Complex Protostellar Source IRAS 04325+2402; Astronomical Journal; Vol. 118; No. 4; 1784-1790; 10.1086/301040
• Jayawardhana, Ray and Hartmann, Lee, el al. (1999) A Disk Census for the Nearest Group of Young Stars: Mid-Infrared Observations of the TW Hydrae Association; Astrophysical Journal; Vol. 521; No. 2; L129-L132; 10.1086/312200
• Jayawardhana, Ray and Hartmann, Lee, el al. (1999) Mid-Infrared Imaging of the Young Binary Star Hen 3-600: Evidence for a Dust Disk around the Primary; Astrophysical Journal; Vol. 520; No. 1; L41-L44; 10.1086/312148
• Jayawardhana, Ray and Fisher, Scott, el al. (1998) A Dust Disk Surrounding the Young A Star HR 4796A; Astrophysical Journal; Vol. 503; No. 1; L79-L82; 10.1086/311524
• Jayawardhana, Ray and Fazio, Giovanni, el al. (1997) Infrared imaging of the starburst galaxy NGC 7469; AIP Conference Proceedings; Vol. 393; 303-306; 10.1063/1.52798
• Jayawardhana, Ray (1994) Revealed: A Lost Tribe of Quasars?; Science; Vol. 265; No. 5181; 2012-2012; 10.1126/science.265.5181.2012
• Jayawardhana, Ray (1994) How Comets Stay Frisky in the Cold; Science; Vol. 265; No. 5179; 1658-1658; 10.1126/science.265.5179.1658
• Jayawardhana, Ray (1994) Astronomers Gossip About The (Cosmic) Neighborhood; Science; Vol. 265; No. 5178; 1526-1527; 10.1126/science.265.5178.1526
• Jayawardhana, Ray (1994) Micro-Quasars Found in Our Galaxy; Science; Vol. 265; No. 5177; 1362-1363; 10.1126/science.265.5177.1362
• Jayawardhana, Ray (1994) A Dark Matter Recipe Is Tested—And Found Wanting; Science; Vol. 264; No. 5167; 1845-1845; 10.1126/science.264.5167.1845
• Jayawardhana, Ray (1994) Keeping Tabs on Cometary Breakups; Science; Vol. 264; No. 5161; 907-907; 10.1126/science.264.5161.907
• Jayawardhana, Ray (1994) Big Science in a Developing Country; Science; Vol. 264; No. 5158; 501-502; 10.1126/science.264.5158.501
• Jayawardhana, Ray (1994) The Keck Scopes Out the Legacy of the Big Bang; Science; Vol. 264; No. 5157; 346-346; 10.1126/science.264.5157.346
• Jayawardhana, Ray (1994) A Supergiant Dies in the Whirlpool; Science; Vol. 264; No. 5157; 345-345; 10.1126/science.264.5157.345
• Jayawardhana, Ray (1993) A New Way To Rev Up a Fast Pulsar; Science; Vol. 260; No. 5115; 1720-1721; 10.1126/science.260.5115.1720
• Jayawardhana, Ray (1993) Quasars: Double Darkness in Draco; Science; Vol. 260; No. 5108; 625-625; 10.1126/science.260.5108.625
• Jayawardhana, R. (1993) A New Supernova In the Northern Sky; Science; Vol. 260; No. 5105; 163-163; 10.1126/science.260.5105.163
• Jayawardhana, Ray (1993) Could Quasars Get Their Shine From Stars?; Science; Vol. 259; No. 5102; 1692-1693; 10.1126/science.259.5102.1692
• Jayawardhana, Ray (1992) Tracing the Milky Way's Rough-and-Tumble Youth; Science; Vol. 258; No. 5087; 1439-1440; 10.1126/science.258.5087.1439
• Jayawardhana, Ray (1992) At the Galactic Center, a Nest Of Stellar Oldsters; Science; Vol. 257; No. 5071; 746-746; 10.1126/science.257.5071.746
• Jayawardhana, Ray (1992) Astronomers Bag Another Black Hole; Science; Vol. 256; No. 5065; 1760-1760; 10.1126/science.256.5065.1760