Infrared photometry of galactic X-ray sources

Details Infrared photometry of galactic X-ray sources Infrared photometry of galactic X-ray sources

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981sval....7..256g&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 7, Aug. 1981, p. 466-469.) Soviet Astronomy Letters, vol. 7, July-Aug. 1981, p. 256-258

Astronomy and Astrophysics

Astronomy

4

Astronomical Photometry, Binary Stars, Galactic Radiation, Infrared Photometry, Infrared Radiation, X Ray Sources, Bremsstrahlung, High Temperature Gases, Neutron Stars, Stellar Mass Accretion

Scientific paper

The paper presents observations of the X-ray binary systems 4U 0115+634 and 4U 0535+262 in the H, K wavelength bands which reveal substantial infrared excesses that are probably intrinsic in nature. The infrared emission is unlikely to be bremsstrahlung of hot gas in the binary system, while it may arise in a dust envelope. The infrared excess could result from interaction between the stream of accreting matter and the neutron-star plasma. The ratio of the infrared to the X-ray flux is of the order 0.01, and the plasma particle density in the emission region is estimated at about 4 x 10 to the 20th per cu cm

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