Decade-long time-monitoring of candidate luminous blue variable stars in the two very metal-deficient star-forming galaxies DDO 68 and PHL 293B

ABSTRACT We have studied the spectral time variations of candidate luminous blue variable (cLBV) stars in two low-metallicity star-forming galaxies, DDO 68 and PHL 293B. The LBV in DDO 68, located in H ii region #3, shows an outburst, with an increase of more than 1000 times in H α luminosity during...

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Bibliographic Details

Published in:	Monthly notices of the Royal Astronomical Society Vol. 512; no. 3; pp. 4298 - 4307
Main Authors:	Guseva, N G, Thuan, T X, Izotov, Y I
Format:	Journal Article
Language:	English
Published:	United States Oxford University Press 06-04-2022 Oxford University Press (OUP): Policy P - Oxford Open Option A
Subjects:	Astronomy & Astrophysics ASTRONOMY AND ASTROPHYSICS galaxies: abundances galaxies: dwarf galaxies: ISM galaxies: starburst Sciences of the Universe galaxies: dwarf galaxies: starburst galaxies: abundances galaxies: ISM Astrophysics - Astrophysics of Galaxies
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