Unexpected change in the spectrum of V4332 Sgr

Details Unexpected change in the spectrum of V4332 Sgr Unexpected change in the spectrum of V4332 Sgr

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006atel..876....1g&link_type=abstract

The Astronomer's Telegram, #876

Astronomy and Astrophysics

Astronomy

Optical, Binaries, Novae, Variables

Scientific paper

V4332 Sgr (N Sgr 1994 No.1) is a peculiar nova which displayed the spectrum of a cool M supergiant in the outburst. Along with two similar objects, V838 Mon and V1006/7 in M31 it forms a new class of eruptive variable stars. The remnant of this nova has an unusual spectrum containing a cool M7 type star continuum and emission lines of neutral metals and metal oxyde molecules attributed to cool rarefied gas cloud.

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