Brightness Variations of Four Yellow Supergiants with IR Excesses, Candidate Protoplanetary Objects

Details Brightness Variations of Four Yellow Supergiants with IR Excesses, Candidate Protoplanetary Objects Brightness Variations of Four Yellow Supergiants with IR Excesses, Candidate Protoplanetary Objects

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010vsgh.conf..196a&link_type=abstract

Variable Stars, the Galactic halo and Galaxy Formation, Proceedings of an international conference held in Zvenigorod, Russia, 1

Astronomy and Astrophysics

Astronomy

Scientific paper

We analyze long-term (about 20 years) UBV observations of four candidate
protoplanetary objects, yellow F-G supergiants with infrared excesses:
IRAS 18095+2704, IRAS 19386+0155, IRAS 19500-1709=HD 187885, IRAS
22272+5435=HD 235858.

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