Type Ibn Supernovae May not all Come from Massive Stars

Griffin Hosseinzadeh, Curtis McCully, Ann I Zabludoff, Iair Arcavi, K. Decker French, D. Andrew Howell, Edo Berger, Daichi Hiramatsu

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Because core-collapse supernovae are the explosions of massive stars, which have relatively short lifetimes, they occur almost exclusively in galaxies with active star formation. On the other hand, the Type Ibn supernova PS1-12sk exploded in an environment that is much more typical of thermonuclear (Type Ia) supernovae: on the outskirts of the brightest elliptical galaxy in a galaxy cluster. The lack of any obvious star formation at that location presented a challenge to models of Type Ibn supernovae as the explosions of very massive Wolf-Rayet stars. Here we present a supplementary search for star formation at the site of PS1-12sk, now that the supernova has faded, via deep ultraviolet (UV) imaging of the host cluster with the Hubble Space Telescope. We do not detect any UV emission within 1 kpc of the supernova location, which allows us deepen the limit on star formation rate by an order of magnitude compared to the original study on this event. In light of this new limit, we discuss whether or not the progenitors of Type Ibn supernovae can be massive stars, and what reasonable alternatives have been proposed.

Original languageEnglish (US)
Article numberL9
JournalAstrophysical Journal Letters
Volume871
Issue number1
DOIs
StatePublished - Jan 20 2019

Fingerprint

massive stars
supernovae
explosion
star formation
explosions
galaxies
Wolf-Rayet stars
ultraviolet emission
elliptical galaxies
star formation rate
Hubble Space Telescope
life (durability)
rate

Keywords

  • galaxies: clusters: intracluster medium
  • galaxies: star formation
  • supernovae: general
  • supernovae: individual (PS1-12sk)

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Hosseinzadeh, G., McCully, C., Zabludoff, A. I., Arcavi, I., French, K. D., Howell, D. A., ... Hiramatsu, D. (2019). Type Ibn Supernovae May not all Come from Massive Stars. Astrophysical Journal Letters, 871(1), [L9]. https://doi.org/10.3847/2041-8213/aafc61

Type Ibn Supernovae May not all Come from Massive Stars. / Hosseinzadeh, Griffin; McCully, Curtis; Zabludoff, Ann I; Arcavi, Iair; French, K. Decker; Howell, D. Andrew; Berger, Edo; Hiramatsu, Daichi.

In: Astrophysical Journal Letters, Vol. 871, No. 1, L9, 20.01.2019.

Research output: Contribution to journalArticle

Hosseinzadeh, G, McCully, C, Zabludoff, AI, Arcavi, I, French, KD, Howell, DA, Berger, E & Hiramatsu, D 2019, 'Type Ibn Supernovae May not all Come from Massive Stars', Astrophysical Journal Letters, vol. 871, no. 1, L9. https://doi.org/10.3847/2041-8213/aafc61
Hosseinzadeh G, McCully C, Zabludoff AI, Arcavi I, French KD, Howell DA et al. Type Ibn Supernovae May not all Come from Massive Stars. Astrophysical Journal Letters. 2019 Jan 20;871(1). L9. https://doi.org/10.3847/2041-8213/aafc61
Hosseinzadeh, Griffin ; McCully, Curtis ; Zabludoff, Ann I ; Arcavi, Iair ; French, K. Decker ; Howell, D. Andrew ; Berger, Edo ; Hiramatsu, Daichi. / Type Ibn Supernovae May not all Come from Massive Stars. In: Astrophysical Journal Letters. 2019 ; Vol. 871, No. 1.
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