The ring nebula around the blue supergiant SBW1: pre-explosion snapshot of an SN 1987A twin

Year-Month2013-02
JournalMonthly Notices of the Royal Astronomical Society
AuthorSmith, N., Arnett, W. D., Bally, J., Ginsburg, A., and Filippenko, A. V.
Bibcode2013MNRAS.429.1324S
TelescopeGS
InstrumentTRECS
ParticipantUS
First author participant affiliationUSA
Co-author participant affiliationsUSA
Program IDGS-2009A-Q-6, GS-2008A-Q-30

Gemini Observatory Participants