Photometry of AM Herculis: a slow optical pulsar
Journal Article
·
· Astrophys. J.; (United States)
Multicolor photometry of the x-ray binary AM Her suggests that the red component of the optical flux is closely related to the source of optical circular polarization in the system. From the periodic modulation of flux in the U through R bands, which is particularly well defined when plotted as color curves, it is concluded that the primary and secondary minima are neither eclipses by a secondary star nor eclipses by a hot spot. The primary minimum in the visual light curve is suggested to be the eclipse of a region of intense optical emission in the magnetic field near the surface of a degenerate dwarf by that dwarf itself. 6 figures.
- Research Organization:
- California Inst. of Tech., Pasadena
- OSTI ID:
- 6774886
- Journal Information:
- Astrophys. J.; (United States), Journal Name: Astrophys. J.; (United States) Vol. 219:2; ISSN ASJOA
- Country of Publication:
- United States
- Language:
- English
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·
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·
OSTI ID:5281002
Related Subjects
640102* -- Astrophysics & Cosmology-- Stars & Quasi-Stellar
Radio & X-Ray Sources
640103 -- Astrophysics & Cosmology-- Quasi-Stellar
Radio
& X-Ray Sources-- (-1987)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BINARY STARS
COSMIC RADIO SOURCES
COSMIC RAY SOURCES
COSMIC X-RAY SOURCES
DWARF STARS
ELECTROMAGNETIC RADIATION
PHOTOMETRY
POLARIZATION
PULSARS
RADIATIONS
STARS
STELLAR FLARES
VARIABLE STARS
VISIBLE RADIATION
WHITE DWARF STARS
Radio & X-Ray Sources
640103 -- Astrophysics & Cosmology-- Quasi-Stellar
Radio
& X-Ray Sources-- (-1987)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BINARY STARS
COSMIC RADIO SOURCES
COSMIC RAY SOURCES
COSMIC X-RAY SOURCES
DWARF STARS
ELECTROMAGNETIC RADIATION
PHOTOMETRY
POLARIZATION
PULSARS
RADIATIONS
STARS
STELLAR FLARES
VARIABLE STARS
VISIBLE RADIATION
WHITE DWARF STARS