Fremling, Christoffer

Combined from CaltechAUTHORS

• Rigault, M. and Smith, M., el al. (2025) ZTF SN Ia DR2: Overview; Astronomy and Astrophysics; Vol. 694; A1; 10.1051/0004-6361/202450388
• Bolin, B. T. and Masci, F. J., el al. (2025) The Palomar twilight survey of 'Ayló'chaxnim, Atiras, and comets; Icarus; Vol. 425; 116333; 10.1016/j.icarus.2024.116333
• Myers, Charlotte and De, Kishalay, el al. (2024) WTP 19aalnxx: Discovery of a Bright Mid-infrared Transient in the Emerging Class of Low-luminosity Supernovae Revealed by Delayed Circumstellar Interaction; Astrophysical Journal; Vol. 976; No. 2; 230; 10.3847/1538-4357/ad8922
• Das, Kaustav K. and Fremling, Christoffer, el al. (2024) SN 2023zaw: An Ultrastripped, Nickel-poor Supernova from a Low-mass Progenitor; Astrophysical Journal Letters; Vol. 969; No. 1; L11; 10.3847/2041-8213/ad527a
• Sharma, Yashvi and Sollerman, Jesper, el al. (2024) Dramatic Rebrightening of the Type-changing Stripped-envelope Supernova SN 2023aew; Astrophysical Journal; Vol. 966; No. 2; 199; 10.3847/1538-4357/ad3758
• Chen, Ping and Gal-Yam, Avishay, el al. (2024) A 12.4-day periodicity in a close binary system after a supernova; Nature; Vol. 625; No. 7994; 253-258; 10.1038/s41586-023-06787-x
• Srinivasaragavan, Gokul P. and Swain, Vishwajeet, el al. (2024) Characterizing the Ordinary Broad-line Type Ic SN 2023pel from the Energetic GRB 230812B; Astrophysical Journal Letters; Vol. 960; No. 2; L18; 10.3847/2041-8213/ad16e7
• Sit, Tawny and Kasliwal, Mansi M., el al. (2023) Long-rising Type II Supernovae in the Zwicky Transient Facility Census of the Local Universe; Astrophysical Journal; Vol. 959; No. 2; 142; 10.3847/1538-4357/ad036f
• Das, Kaustav K. and Kasliwal, Mansi M., el al. (2023) Probing the Low-mass End of Core-collapse Supernovae Using a Sample of Strongly-stripped Calcium-rich Type IIb Supernovae from the Zwicky Transient Facility; Astrophysical Journal; Vol. 959; No. 1; 12; 10.3847/1538-4357/acfeeb
• Ho, Anna Y. Q. and Perley, Daniel A., el al. (2023) Minutes-duration optical flares with supernova luminosities; Nature; Vol. 623; No. 7879; 927-931; 10.1038/s41586-023-06673-6
• Kuncarayakti, H. and Sollerman, J., el al. (2023) The broad-lined Type-Ic supernova SN 2022xxf and its extraordinary two-humped light curves. I. Signatures of H/He-free interaction in the first four months; Astronomy & Astrophysics; Vol. 678; A209; 10.1051/0004-6361/202346526
• Goobar, Ariel and Johansson, Joel, el al. (2023) Uncovering a population of gravitational lens galaxies with magnified standard candle SN Zwicky; Nature Astronomy; Vol. 7; No. 9; 1098-1107; PMCID PMC10509034; 10.1038/s41550-023-01981-3
• Bruch, Rachel J. and Gal-Yam, Avishay, el al. (2023) The Prevalence and Influence of Circumstellar Material around Hydrogen-rich Supernova Progenitors; Astrophysical Journal; Vol. 952; No. 2; 119; 10.3847/1538-4357/acd8be
• Bolin, B. T. and Noll, K. S., el al. (2023) Keck and Gemini spectral characterization of Lucy mission fly-by target (152830) Dinkinesh; Icarus; Vol. 400; Art. No. 115562; 10.1016/j.icarus.2023.115562
• Shivkumar, Hinna and Jaodand, Amruta D., el al. (2023) SN2019wxt: An Ultrastripped Supernova Candidate Discovered in the Electromagnetic Follow-up of a Gravitational Wave Trigger; Astrophysical Journal; Vol. 952; No. 1; 86; 10.3847/1538-4357/acd5d5
• Lin, Weili and Wang, Xiaofeng, el al. (2023) A superluminous supernova lightened by collisions with pulsational pair-instability shells; Nature Astronomy; 10.1038/s41550-023-01957-3
• Stein, Robert and Reusch, Simeon, el al. (2023) Neutrino follow-up with the Zwicky Transient Facility: results from the first 24 campaigns; Monthly Notices of the Royal Astronomical Society; Vol. 521; No. 4; 5046-5063; 10.1093/mnras/stad767
• Ravi, Vikram and Catha, Morgan, el al. (2023) Deep Synoptic Array Science: Discovery of the Host Galaxy of FRB 20220912A; Astrophysical Journal Letters; Vol. 949; No. 1; Art. No. L3; 10.3847/2041-8213/acc4b6
• Kool, Erik C. and Johansson, Joel, el al. (2023) A radio-detected type Ia supernova with helium-rich circumstellar material; Nature; Vol. 617; No. 7961; 477-482; PMCID PMC10191849; 10.1038/s41586-023-05916-w
• Karambelkar, Viraj R. and Kasliwal, Mansi M., el al. (2023) Volumetric Rates of Luminous Red Novae and Intermediate-luminosity Red Transients with the Zwicky Transient Facility; Astrophysical Journal; Vol. 948; No. 2; Art. No. 137; 10.3847/1538-4357/acc2b9
• Sharma, Yashvi and Sollerman, Jesper, el al. (2023) A Systematic Study of Ia-CSM Supernovae from the ZTF Bright Transient Survey; Astrophysical Journal; Vol. 948; No. 1; Art. No. 52; 10.3847/1538-4357/acbc16
• Bolin, B. T. and Ahumada, T., el al. (2023) Preliminary estimates of the Zwicky Transient Facility 'Ayló'chaxnim asteroid population completeness; Icarus; Vol. 394; Art. No. 115442; 10.1016/j.icarus.2023.115442
• West, S. L. and Lunnan, R., el al. (2023) SN 2020qlb: A hydrogen-poor superluminous supernova with well-characterized light curve undulations; Astronomy and Astrophysics; Vol. 670; Art. No. A7; 10.1051/0004-6361/202244086
• Hammerstein, Erica and van Velzen, Sjoert, el al. (2023) The Final Season Reimagined: 30 Tidal Disruption Events from the ZTF-I Survey; Astrophysical Journal; Vol. 942; No. 1; 9; 10.3847/1538-4357/aca283
• Fransson, Claes and Sollerman, Jesper, el al. (2022) SN 2019zrk, a bright SN 2009ip analog with a precursor; Astronomy and Astrophysics; Vol. 666; Art. No. A79; 10.1051/0004-6361/202243452
• Kangas, T. and Yan, Lin, el al. (2022) The Zwicky Transient Facility phase I sample of hydrogen-rich superluminous supernovae without strong narrow emission lines; Monthly Notice of the Royal Astronomial Society; Vol. 516; No. 1; 1193-1218; 10.1093/mnras/stac2218
• Kumar, Harsh and Bhalerao, Varun, el al. (2022) India's First Robotic Eye for Time-domain Astrophysics: The GROWTH-India Telescope; Astronomical Journal; Vol. 164; No. 3; Art. No. 90; 10.3847/1538-3881/ac7bea
• Bolin, Bryce T. and Ahumada, Tomás, el al. (2022) The discovery and characterization of (594913) 'Ayló'chaxnim, a kilometre sized asteroid inside the orbit of Venus; Monthly Notices of the Royal Astronomical Society; Vol. 517; No. 1; L49-L54; 10.1093/mnrasl/slac089
• Ahumada, Tomás and Anand, Shreya, el al. (2022) In Search of Short Gamma-Ray Burst Optical Counterparts with the Zwicky Transient Facility; Astrophysical Journal; Vol. 932; No. 1; Art. No. 40; 10.3847/1538-4357/ac6c29
• van Roestel, J. and Kupfer, T., el al. (2022) Discovery and characterization of five new eclipsing AM CVn systems; Monthly Notices of the Royal Astronomical Society; Vol. 512; No. 4; 5440-5461; 10.1093/mnras/stab2421
• West, S. L. and Lunnan, R., el al. (2022) SN2020qlb: a hydrogen-poor superluminous supernova with well-characterized light curve undulations; 10.48550/arXiv.2205.11143
• Stein, Robert and Reusch, Simeon, el al. (2022) Neutrino follow-up with the Zwicky Transient Facility: Results from the first 24 campaigns; 10.48550/arXiv.2203.17135
• Ahumada, Tomás and Anand, Shreya, el al. (2022) In search of short gamma-ray burst optical counterpart with the Zwicky Transient Facility; 10.48550/arXiv.2203.11787
• Perley, Daniel A. and Sollerman, Jesper, el al. (2022) The Type Icn SN 2021csp: Implications for the Origins of the Fastest Supernovae and the Fates of Wolf–Rayet Stars; Astrophysical Journal; Vol. 927; No. 2; Art. No. 180; 10.3847/1538-4357/ac478e
• Irani, I. and Prentice, S. J., el al. (2022) Less Than 1% of Core-collapse Supernovae in the Local Universe Occur in Elliptical Galaxies; Astrophysical Journal; Vol. 927; No. 1; Art. No. 10; 10.3847/1538-4357/ac4709
• Graham, Melissa L. and Fremling, Christoffer, el al. (2022) Supernova siblings and their parent galaxies in the Zwicky Transient Facility Bright Transient Survey; Monthly Notices of the Royal Astronomical Society; Vol. 511; No. 1; 241-254; 10.1093/mnras/stab3802
• Sravan, Niharika and Graham, Matthew J., el al. (2022) Autonomous Real-Time Science-Driven Follow-up of Survey Transients; ISBN 978-3-030-96599-0; Big-Data-Analytics in Astronomy, Science, and Engineering; 59-72; 10.1007/978-3-030-96600-3_5
• Chen, Z. H. and Yan, Lin, el al. (2022) The Hydrogen-Poor Superluminous Supernovae from the Zwicky Transient Facility Phase-I Survey: I. Data; 10.48550/arXiv.2202.02059
• Biswas, Rahul and Goobar, Ariel, el al. (2022) Two c's in a pod: cosmology-independent measurement of the Type Ia supernova colour–luminosity relation with a sibling pair; Monthly Notices of the Royal Astronomical Society; Vol. 509; No. 4; 5340-5356; 10.1093/mnras/stab2943
• Tsaprazi, Eleni and Jasche, Jens, el al. (2022) The large-scale environment of thermonuclear and core-collapse supernovae; Monthly Notices of the Royal Astronomical Society; Vol. 510; No. 1; 366-372; 10.1093/mnras/stab3525
• Gal-Yam, A. and Bruch, R., el al. (2022) A WC/WO star exploding within an expanding carbon–oxygen–neon nebula; Nature; Vol. 601; No. 7892; 201-204; 10.1038/s41586-021-04155-1
• Sollerman, J. and Yang, S., el al. (2022) Maximum luminosities of normal stripped-envelope supernovae are brighter than explosion models allow; Astronomy and Astrophysics; Vol. 657; Art. No. A64; 10.1051/0004-6361/202142049
• Johansson, J. and Cenko, S. B., el al. (2021) Near-infrared Supernova Ia Distances: Host Galaxy Extinction and Mass-step Corrections Revisited; Astrophysical Journal; Vol. 923; No. 2; Art. No. 237; 10.3847/1538-4357/ac2f9e
• Makhathini, S. and Mooley, K. P., el al. (2021) The Panchromatic Afterglow of GW170817: The Full Uniform Data Set, Modeling, Comparison with Previous Results, and Implications; Astrophysical Journal; Vol. 922; No. 2; Art. No. 154; 10.3847/1538-4357/ac1ffc
• Perley, Daniel A. and Ho, Anna Y. Q., el al. (2021) Real-time discovery of AT2020xnd: a fast, luminous ultraviolet transient with minimal radioactive ejecta; Monthly Notices of the Royal Astronomical Society; Vol. 508; No. 4; 5138-5147; 10.1093/mnras/stab2785
• Kulkarni, S. R. and Harrison, Fiona A., el al. (2021) Science with the Ultraviolet Explorer (UVEX); 10.48550/arXiv.2111.15608
• van Velzen, S. and Stein, R., el al. (2021) Establishing accretion flares from massive black holes as a major source of high-energy neutrinos; 10.48550/arXiv.2111.09391
• Yang, S. and Sollerman, J., el al. (2021) A low-energy explosion yields the underluminous Type IIP SN 2020cxd; Astronomy and Astrophysics; Vol. 655; Art. No. 90; 10.1051/0004-6361/202141244
• Sollerman, J. and Yang, S., el al. (2021) The Type II supernova SN 2020jfo in M 61, implications for progenitor system, and explosion dynamics; Astronomy and Astrophysics; Vol. 655; Art. No. A105; 10.1051/0004-6361/202141374
• Yao, Yuhan and Kulkarni, S. R., el al. (2021) Multi-wavelength Observations of AT2019wey: a New Candidate Black Hole Low-mass X-ray Binary; Astrophysical Journal; Vol. 920; No. 2; Art. No. 120; 10.3847/1538-4357/ac15f9
• Andreoni, Igor and Coughlin, Michael W., el al. (2021) Fast-transient Searches in Real Time with ZTFReST: Identification of Three Optically Discovered Gamma-Ray Burst Afterglows and New Constraints on the Kilonova Rate; Astrophysical Journal; Vol. 918; No. 2; Art. No. 63; 10.3847/1538-4357/ac0bc7
• Blagorodnova, Nadejda and Klencki, Jakub, el al. (2021) The luminous red nova AT 2018bwo in NGC 45 and its binary yellow supergiant progenitor; Astronomy and Astrophysics; Vol. 653; Art. No. A134; 10.1051/0004-6361/202140525
• Ahumada, Tomás and Singer, Leo P., el al. (2021) Discovery and confirmation of the shortest gamma-ray burst from a collapsar; Nature Astronomy; Vol. 5; No. 9; 917-927; 10.1038/s41550-021-01428-7
• Fremling, Christoffer and Hall, Xander J., el al. (2021) SNIascore: Deep-learning Classification of Low-resolution Supernova Spectra; Astrophysical Journal Letters; Vol. 917; No. 1; Art. No. L2; 10.3847/2041-8213/ac116f
• Kool, E. C. and Karamehmetoglu, E., el al. (2021) SN 2020bqj: A Type Ibn supernova with a long-lasting peak plateau; Astronomy and Astrophysics; Vol. 652; Art. No. A136; 10.1051/0004-6361/202039137
• Schulze, Steve and Yaron, Ofer, el al. (2021) The Palomar Transient Factory Core-collapse Supernova Host-galaxy Sample. I. Host-galaxy Distribution Functions and Environment Dependence of Core-collapse Supernovae; Astrophysical Journal Supplement Series; Vol. 255; No. 2; Art. No. 29; 10.3847/1538-4365/abff5e
• Roberson, Milan S. and Fremling, Christoffer, el al. (2021) DBSP_DRP: A Python package for automated spectroscopic data reduction of DBSP data; 10.48550/arXiv.2107.12339
• Barbarino, C. and Sollerman, J., el al. (2021) Type Ic supernovae from the (intermediate) Palomar Transient Factory; Astronomy and Astrophysics; Vol. 651; Art. No. A81; 10.1051/0004-6361/202038890
• van Roestel, Jan and Duev, Dmitry A., el al. (2021) The ZTF Source Classification Project. I. Methods and Infrastructure; Astronomical Journal; Vol. 161; No. 6; Art. No. 267; 10.3847/1538-3881/abe853
• Ho, Anna Y. Q. and Perley, Daniel A., el al. (2021) The Photometric and Spectroscopic Evolution of Rapidly Evolving Extragalactic Transients in ZTF; 10.48550/arXiv.2105.08811
• Ahumada, Tomás and Singer, Leo P., el al. (2021) Discovery and confirmation of the shortest gamma ray burst from a collapsar; 10.48550/arXiv.2105.05067
• Bruch, Rachel J. and Gal-Yam, Avishay, el al. (2021) A Large Fraction of Hydrogen-rich Supernova Progenitors Experience Elevated Mass Loss Shortly Prior to Explosion; Astrophysical Journal; Vol. 912; No. 1; Art. No. 46; 10.3847/1538-4357/abef05
• Karamehmetoglu, E. and Fransson, C., el al. (2021) The luminous and rapidly evolving SN 2018bcc. Clues toward the origin of Type Ibn SNe from the Zwicky Transient Facility; Astronomy and Astrophysics; Vol. 649; Art. No. A163; 10.1051/0004-6361/201936308
• Purdum, Josiah N. and Lin, Zhong-Yi, el al. (2021) Time-series and Phase-curve Photometry of the Episodically Active Asteroid (6478) Gault in a Quiescent State Using APO, GROWTH, P200, and ZTF; Astrophysical Journal Letters; Vol. 911; No. 2; Art. No. L35; 10.3847/2041-8213/abf2ca
• Malyali, A. and Rau, A., el al. (2021) AT 2019avd: a novel addition to the diverse population of nuclear transients; Astronomy and Astrophysics; Vol. 647; Art. No. A9; 10.1051/0004-6361/202039681
• van Velzen, Sjoert and Gezari, Suvi, el al. (2021) Seventeen Tidal Disruption Events from the First Half of ZTF Survey Observations: Entering a New Era of Population Studies; Astrophysical Journal; Vol. 908; No. 1; Art. No. 4; 10.3847/1538-4357/abc258
• Strotjohann, Nora L. and Ofek, Eran O., el al. (2021) Bright, Months-long Stellar Outbursts Announce the Explosion of Interaction-powered Supernovae; Astrophysical Journal; Vol. 907; No. 2; Art. No. 99; 10.3847/1538-4357/abd032
• De, Kishalay and Fremling, U. Christoffer, el al. (2021) The Peculiar Ca-rich SN2019ehk: Evidence for a Type IIb Core-collapse Supernova from a Low-mass Stripped Progenitor; Astrophysical Journal Letters; Vol. 907; No. 1; Art. No. L18; 10.3847/2041-8213/abd627
• Anand, Shreya and Coughlin, Michael W., el al. (2021) Optical follow-up of the neutron star–black hole mergers S200105ae and S200115j; Nature Astronomy; Vol. 5; No. 1; 46-53; 10.1038/s41550-020-1183-3
• Ho, Anna Y. Q. and Perley, Daniel A., el al. (2020) ZTF20aajnksq (AT 2020blt): A Fast Optical Transient at z ≈ 2.9 with No Detected Gamma-Ray Burst Counterpart; Astrophysical Journal; Vol. 905; No. 2; Art. No. 98; 10.3847/1538-4357/abc34d
• Kasliwal, Mansi M. and Anand, Shreya, el al. (2020) Kilonova Luminosity Function Constraints Based on Zwicky Transient Facility Searches for 13 Neutron Star Merger Triggers during O3; Astrophysical Journal; Vol. 905; No. 2; Art. No. 145; 10.3847/1538-4357/abc335
• De, Kishalay and Kasliwal, Mansi M., el al. (2020) The Zwicky Transient Facility Census of the Local Universe. I. Systematic Search for Calcium-rich Gap Transients Reveals Three Related Spectroscopic Subclasses; Astrophysical Journal; Vol. 905; No. 1; Art. No. 58; 10.3847/1538-4357/abb45c
• Andreoni, Igor and Kool, Erik C., el al. (2020) Constraining the Kilonova Rate with Zwicky Transient Facility Searches Independent of Gravitational Wave and Short Gamma-Ray Burst Triggers; Astrophysical Journal; Vol. 904; No. 2; Art. No. 155; 10.3847/1538-4357/abbf4c
• Bolin, Bryce T. and Fremling, Christoffer, el al. (2020) Characterization of Temporarily Captured Minimoon 2020 CD₃ by Keck Time-resolved Spectrophotometry; Astrophysical Journal Letters; Vol. 900; No. 2; Art. No. L45; 10.3847/2041-8213/abae69
• Ip, W.-H. and Bolin, B., el al. (2020) A kilometer-scale asteroid inside Venus's orbit
• Bolin, Bryce T. and Lisse, Carey M., el al. (2020) Characterization of the Nucleus, Morphology and Activity of Interstellar Comet 2I/Borisov by Optical and Near-Infrared GROWTH, Apache Point, IRTF, ZTF and Keck Observations; Astronomical Journal; Vol. 160; No. 1; Art. No. 26; 10.48550/arXiv.1910.14004
• Graham, Matthew J. and Kulkarni, S. R., el al. (2019) The Zwicky Transient Facility: Science Objectives; Publications of the Astronomical Society of the Pacific; Vol. 131; No. 1001; Art. No. 078001; 10.1088/1538-3873/ab006c
• Soumagnac, Maayane T. and Ofek, Eran O., el al. (2019) Supernova PTF 12glz: A Possible Shock Breakout Driven through an Aspherical Wind; Astrophysical Journal; Vol. 872; No. 2; Art. No. 141; 10.3847/1538-4357/aafe84
• Masci, Frank J. and Laher, Russ R., el al. (2019) The Zwicky Transient Facility: Data Processing, Products, and Archive; Publications of the Astronomical Society of the Pacific; Vol. 131; No. 995; Art. No. 018003; 10.1088/1538-3873/aae8ac
• Bellm, Eric C. and Kulkarni, Shrinivas R., el al. (2019) The Zwicky Transient Facility: System Overview, Performance, and First Results; Publications of the Astronomical Society of the Pacific; Vol. 131; No. 995; Art. No. 018002; 10.1088/1538-3873/aaecbe
• Hung, T. and Gezari, S., el al. (2018) Sifting for Sapphires: Systematic Selection of Tidal Disruption Events in iPTF; Astrophysical Journal Supplement Series; Vol. 238; No. 2; Art. No. 15; PMCID PMC6544052; 10.3847/1538-4365/aad8b1
• Strotjohann, Nora L. and Ofek, Eran O., el al. (2015) Search for precursor eruptions among Type IIb supernovae; Astrophysical Journal; Vol. 811; No. 2; Art. No. 117; 10.1088/0004-637X/811/2/117