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  • Perley, Daniel A. (author)

The Zwicky Transient Facility Bright Transient Survey. II. A Public Statistical Sample for Exploring Supernova Demographics

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-11-19
  • American Astronomical Society,2020
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-187456
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-187456URI
  • https://doi.org/10.3847/1538-4357/abbd98DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • We present a public catalog of transients from the Zwicky Transient Facility (ZTF) Bright Transient Survey, a magnitude-limited (m g or r filter) survey for extragalactic transients in the ZTF public stream. We introduce cuts on survey coverage, sky visibility around peak light, and other properties unconnected to the nature of the transient, and show that the resulting statistical sample is spectroscopically 97% complete at <18 mag, 93% complete at <18.5 mag, and 75% complete at <19 mag. We summarize the fundamental properties of this population, identifying distinct duration-luminosity correlations in a variety of supernova (SN) classes and associating the majority of fast optical transients with well-established spectroscopic SN types (primarily SN Ibn and II/IIb). We measure the Type Ia SN and core-collapse (CC) SN rates and luminosity functions, which show good consistency with recent work. About 7% of CC SNe explode in very low-luminosity galaxies (M-i > -16 mag), 10% in red-sequence galaxies, and 1% in massive ellipticals. We find no significant difference in the luminosity or color distributions between the host galaxies of SNe Type II and SNe Type Ib/c, suggesting that line-driven wind stripping does not play a major role in the loss of the hydrogen envelope from their progenitors. Future large-scale classification efforts with ZTF and other wide-area surveys will provide high-quality measurements of the rates, properties, and environments of all known types of optical transients and limits on the existence of theoretically predicted but as yet unobserved explosions.

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  • Fremling, Christoffer (author)
  • Sollerman, JesperStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)solle (author)
  • Miller, Adam A. (author)
  • Dahiwale, Aishwarya S. (author)
  • Sharma, Yashvi (author)
  • Bellm, Eric C. (author)
  • Biswas, RahulStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)rbisw (author)
  • Brink, Thomas G. (author)
  • Bruch, Rachel J. (author)
  • De, Kishalay (author)
  • Dekany, Richard (author)
  • Drake, Andrew J. (author)
  • Duev, Dmitry A. (author)
  • Filippenko, Alexei V. (author)
  • Gal-Yam, Avishay (author)
  • Goobar, ArielStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)ariel (author)
  • Graham, Matthew J. (author)
  • Graham, Melissa L. (author)
  • Ho, Anna Y. Q. (author)
  • Irani, Ido (author)
  • Kasliwal, Mansi M. (author)
  • Kim, Young-Lo (author)
  • Kulkarni, S. R. (author)
  • Mahabal, Ashish (author)
  • Masci, Frank J. (author)
  • Modak, Shaunak (author)
  • Neill, James D. (author)
  • Nordin, Jakob (author)
  • Riddle, Reed L. (author)
  • Soumagnac, Maayane T. (author)
  • Strotjohann, Nora L. (author)
  • Schulze, Steve (author)
  • Taggart, Kirsty (author)
  • Tzanidakis, Anastasios (author)
  • Walters, Richard S. (author)
  • Yan, Lin (author)
  • Stockholms universitetInstitutionen för astronomi (creator_code:org_t)

Related titles

  • In:Astrophysical Journal: American Astronomical Society904:10004-637X1538-4357

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