The ASAS-SN bright supernova catalogue – V. 2018–2020

Author:

Neumann K D1ORCID,Holoien T W-S2ORCID,Kochanek C S13,Stanek K Z13,Vallely P J1ORCID,Shappee B J4ORCID,Prieto J L56,Pessi T57ORCID,Jayasinghe T18ORCID,Brimacombe J9,Bersier D10ORCID,Aydi E11ORCID,Basinger C1,Beacom J F1312ORCID,Bose S13ORCID,Brown J S114,Chen P15ORCID,Clocchiatti A16ORCID,Desai D D4ORCID,Dong Subo13ORCID,Falco E17ORCID,Holmbo S18ORCID,Morrell N19ORCID,Shields J V20ORCID,Sokolovsky K V1121ORCID,Strader J11ORCID,Stritzinger M D18ORCID,Swihart S22ORCID,Thompson T A13ORCID,Way Z23ORCID,Aslan L2,Bishop D W24,Bock G25,Bradshaw J26,Cacella P27ORCID,Castro-Morales N16,Conseil E28,Cornect R29,Cruz I30,Farfan R G3132,Fernandez J M3332,Gabuya A34ORCID,Gonzalez-Carballo J-L323536,Kendurkar M R37,Kiyota S38ORCID,Koff R A39,Krannich G40,Marples P41,Masi G42,Monard L A G43,Muñoz J A4445ORCID,Nicholls B46,Post R S47ORCID,Pujic Z48ORCID,Stone G49ORCID,Tomasella L50ORCID,Trappett D L51,Wiethoff W S52

Affiliation:

1. Department of Astronomy, The Ohio State University , 140 West 18th Avenue, Columbus, OH 43210, USA

2. The Observatories of the Carnegie Institution for Science , 813 Santa Barbara Street, Pasadena, CA 91101, USA

3. Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University , 191 W. Woodruff Ave., Columbus, OH 43210, USA

4. Institute for Astronomy, University of Hawai’i , 2680 Woodlawn Drive, Honolulu, HI 96822, USA

5. Núcleo de Astronomía de la Facultad de Ingeniería y Ciencias, Universidad Diego Portales , Av. Ejército 441, Santiago, Chile

6. MAS, Millennium Institute of Astrophysics , Nuncio Monsenor Sótero Sanz 100, Providencia 8320000, Santiago, Chile

7. European Southern Observatory , Alonso de Córdova 3107, Casilla 19, Santiago, Chile

8. Department of Astronomy, University of California Berkeley , Berkeley CA 94720, USA

9. Coral Towers Observatory , Cairns, Queensland 4870, Australia

10. Astrophysics Research Institute, Liverpool John Moores University , 146 Brownlow Hill, Liverpool L3 5RF, UK

11. Center for Data Intensive and Time Domain Astronomy, Department of Physics and Astronomy, Michigan State University , East Lansing, MI 48824, USA

12. Department of Physics, The Ohio State University , 191 W. Woodruff Ave., Columbus, OH 43210, USA

13. Kavli Institute for Astronomy and Astrophysics, Peking University , Yi He Yuan Road 5, Hai Dian District, Beijing 100871, China

14. Department of Astronomy and Astrophysics, University of California , Santa Cruz, CA 92064, USA

15. Department of Particle Physics and Astrophysics, Weizmann Institute of Science , 234 Herzl St, 7610001 Rehovot, Israel

16. Instituto de Astrofísica, Pontificia Universidad Catolica de Chile, Instituto Milenio de Astrofisica (MAS) , Vicuna Mackenna 4860, Macul, Santiago, Chile

17. Harvard-Smithsonian Center for Astrophysics , 60 Garden Str, Cambridge, MA 02138, USA

18. Department of Physics and Astronomy, Aarhus University , Ny Munkegade 120, DK-8000 Aarhus C, Denmark

19. Las Campanas Observatory, Carnegie Observatories , Casilla 601, La Serena, Chile

20. Department of Physics and Astronomy, Michigan State University , East Lansing, MI 48824, USA

21. Sternberg Astronomical Institute, Moscow State University , Universitetskii pr. 13, 119992 Moscow, Russia

22. National Research Council Research Associate, National Academy of Sciences , Washington, DC 20001, USA

23. Physics & Astronomy Department, Georgia State University , 25 Park Place, Atlanta, GA 30302, USA

24. Rochester Academy of Science , 1194 West Avenue, Hilton, NY 14468, USA

25. Runaway Bay Observatory , 1 Lee Road, Runaway Bay, Queensland 4216, Australia

26. Samford Valley Observatory (Q79) , Queensland, 4520, Australia

27. DogsHeaven Observatory , SMPW Q25 CJ1 LT10, Brasilia, DF 71745-501, Brazil

28. Association Francaise des Observateurs d’Etoiles Variables (AFOEV), Observatoire de Strasbourg , 11 Rue de l’Universite, 75007 Paris, France

29. Moondyne Observatory , 61 Moondyne Rd, Mokine, WA 6401, Australia

30. Slate Ridge Observatory , 1971 Haverton Drive, Reynoldsburg, OH 43068, USA

31. Observatorio Uraniborg , MPC Z55, Ecija, Sevilla, Spain

32. Observadores de Supernovas (ObSN) , Spain

33. Observatory Inmaculada del Molino , Hernando de Esturmio 46, Osuna, E-41640 Sevilla, Spain

34. Al Sadeem Observatory , Al Wathba South, Abu Dhabi, UAE

35. Observatorio Cerro del Viento-MPC I84 , Paseo Condes de Barcelona, 6-4D, E-06010 Badajoz, Spain

36. AAVSO , 185 Alewife Brook Parkway, Suite 410, Cambridge, MA 02138, USA

37. Prince George Astronomical Observatory , 7365 Tedford, Prince George, BC V2N 6S2, Canada

38. Variable Star Observers League in Japan , 7-1 Kitahatsutomi, Kamagaya, Chiba 273-0126, Japan

39. Antelope Hills Observatory , 980 Antelope Drive West, Bennett, CO 80102, USA

40. Roof Observatory Kaufering , Lessingstr. 16, D-86916 Kaufering, Germany

41. Peter Observatory , unit 316 Sandcastles 392 Marine Pde, Labrador, Qld 4215, Australia

42. Virtual Telescope Project , Via Madonna de Loco, 47-03023 Ceccano (FR), Italy

43. Kleinkaroo Observatory , Calitzdorp, St. Helena 1B, P.O. Box 281, 6660 Calitzdorp, Western Cape, South Africa

44. Departamento de Astronomía y Astrofísica, Universidad de Valencia , E-46100 Burjassot, Valencia, Spain

45. Observatorio Astronómico, Universidad de Valencia , E-46980 Paterna, Valencia, Spain

46. Mount Vernon Observatory , 6 Mount Vernon Place, Nelson, New Zealand

47. Post Observatory , Lexington, MA 02421, USA

48. Alexander Observatory , Brisbane, Australia

49. First Light Observatory Systems , 17908 NE 391st Str, Amboy, WA 98601, USA

50. INAF – Osservatorio Astronomico di Padova , Vicolo dell’Osservatorio 5, I-35122 Padova, Italy

51. Brisbane Girls Grammar School – Dorothy Hill Observatory , Gregory Terrace, Spring Hill, Queensland 4000, Australia

52. Department of Earth and Environmental Sciences, University of Minnesota , 230 Heller Hall, 1114 Kirby Drive, Duluth, MN 55812, USA

Abstract

ABSTRACT We catalogue the 443 bright supernovae (SNe) discovered by the All-Sky Automated Survey for Supernovae (ASAS-SN) in 2018−2020 along with the 519 SNe recovered by ASAS-SN and 516 additional mpeak ≤ 18 mag SNe missed by ASAS-SN. Our statistical analysis focuses primarily on the 984 SNe discovered or recovered in ASAS-SN g-band observations. The complete sample of 2427 ASAS-SN SNe includes earlier V-band samples and unrecovered SNe. For each SN, we identify the host galaxy, its UV to mid-IR photometry, and the SN’s offset from the centre of the host. Updated peak magnitudes, redshifts, spectral classifications, and host galaxy identifications supersede earlier results. With the increase of the limiting magnitude to g ≤ 18 mag, the ASAS-SN sample is nearly complete up to mpeak = 16.7 mag and is 90 per cent complete for mpeak ≤ 17.0 mag. This is an increase from the V-band sample, where it was roughly complete up to mpeak = 16.2 mag and 70 per cent complete for mpeak ≤ 17.0 mag.

Funder

NSF

NASA

Space Telescope Science Institute

Gordon and Betty Moore Foundation

Chinese Academy of Sciences

Publisher

Oxford University Press (OUP)

Subject

Space and Planetary Science,Astronomy and Astrophysics

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