The Massive Star Population in M101. III. Spectra and Photometry of the Luminous and Variable Stars

Autor:	Grammer, Skyler H., Humphreys, Roberta M., Gerke, Jill
Rok vydání:	2015
Předmět:	Astrophysics - Solar and Stellar Astrophysics
Druh dokumentu:	Working Paper
DOI:	10.1088/0004-6256/149/5/152
Popis:	We discuss moderate resolution spectra, multicolor photometry, and light curves of thirty-one of the most luminous stars and variables in the giant spiral M101. The majority are intermediate A to F-type supergiants. We present new photometry and light curves for three known "irregular blue variables" V2, V4 and V9) and identify a new candidate. Their spectra and variability confirm that they are LBV candidates and V9 may be in an LBV-like maximum light state or eruption. Comment: To appear in the Astronomical Journal
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1502.00308 Zobrazit plný text záznamu View this record from Arxiv