Published February 1972 | Version v1
Journal article

Photometry and polarimetry of V 1057 Cygni

Description

We have obtained extensive photometric and polarimetric data over a six-month interval for V 1057 Cyg. The polarization appears to be constant and of interstellar origin; the photometry, which extends nearly six octaves from the ultraviolet to A = 22 in the infrared, indicates that the total observed luminosity is decreasing - having now declined 10% from its earlier level. A model characterized by two circumstellar shells which absorb and reradiate short wavelength stellar flux from an underlying Al -type star provides the best fit to the observational data. The present variability, however, cannot be due to circumstellar activity, but appears to originate in the star itself. Key words: variable stars - photometry - polarimetry

Additional details

Identifiers

Publishing Information

Journal Title
Publications of the Astronomical Society of the Pacific
Journal Volume
84
Journal Issue
497
Series
Publ. Astron. Soc. Pac.
Journal Page Range
37
ISSN
0004-6280

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
3024926
Subject category
S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
Descriptors DEI
INTERSTELLAR SPACE; LUMINOSITY; PHOTOMETRY; POLARIZATION; STARS
Descriptors DEC
OPTICAL PROPERTIES; PHYSICAL PROPERTIES; SPACE

Optional Information

Notes
Updated automatically by Metadata and Full-Text Enrichment Agent