NGC 2363 V1: a rare case of major LBV eruption

Details NGC 2363 V1: a rare case of major LBV eruption NGC 2363 V1: a rare case of major LBV eruption

Jul 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999hst..prop.8403d&link_type=abstract

HST Proposal ID #8403

Computer Science

Hst Proposal Id #8403 Hot Stars

Scientific paper

In 1996 January, HST/WFPC2 images revealed the presence of a new bright, blue star in the extragalactic giant H II region NGC 2363. We have shown that this star is a Luminous Blue variable {LBV} undergoing a major outburst. Only a handful of major LBV eruptions have been observed, including those of P Cygni in the 17^th century and Eta Carina between 1840 and 1860. We therefore propose to follow in detail the spectrophotometric evolution of NGC2363-V1 until the end of its major eruption. STIS observations in Cycle 7 yielded crucial information on the star's mass loss rate, temperature, luminosity and chemical composition. Cycle 8 observations will monitor variations of these parameters with time.

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