SN 2007bi

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Supernova
SN 2007bi
Constellation Virgin
Position
equinox : J2000.0
Right ascension 13h 19m 20.19s
declination + 08 ° 55 ′ 44.3 ″
Further data
distance

1.7 billion light years

Dimensions 200
history
discovery

Nearby Supernova Factory

Date of discovery

04/06/2007

Catalog names
Aladin previewer

Template: Infobox Astronomical Object / Maintenance / No Image

SN 2007bi is a supernova discovered on April 6, 2007 by the Nearby Supernova Factory at Berkeley Lab . This is the first confirmed pair instability supernova . It is located in the dwarf galaxy SDSS J131920.14 + 085543.7 (also called Anon J131920 + 0855 ) in the constellation Virgo, about 1.7 billion light years away .

The mass of the predecessor star was approx. 200 M ☉ at the time of the explosion , the mass of the core - consisting of helium - was approx. 100 M ☉ . The explosion generated an estimated 7 M ☉ of the nickel isotope 56 Ni.

See also

Individual evidence

  1. ↑ SN 2007bi. SIMBAD , accessed on July 29, 2015 .
  2. ↑ a b First pair instability supernova observed. Spectrum of Science , December 3, 2009, accessed July 29, 2015 .
  3. ↑ A Superbright Supernova That's the First of Its Kind. Berkeley Lab , December 2, 2009, accessed July 29, 2015 .
  4. ↑ James D. Neill, Mark Sullivan, Avishay Gal-Yam, Robert Quimby, Eran Ofek, Ted K. Wyder, D. Andrew Howell, Peter Nugent, Mark Seibert, D. Christopher Martin, Roderik Overzier, Tom A. Barlow, Karl Foster, Peter G. Friedman, Patrick Morrissey, Susan G. Neff, David Schiminovich, Luciana Bianchi, José Donas, Timothy M. Heckman, Young-Wook Lee, Barry F. Madore, Bruno Milliard, R. Michael Rich, and Alex S. Szalay: THE EXTREME HOSTS OF EXTREME SUPERNOVAE. November 19, 2010, accessed February 10, 2017 .
  5. ^ Supernova 2007bi was a pair-instability explosion . January 7, 2010, arxiv : 1001.1156 (English).