An X-ray pulsator in the direction of molecular cloud MBM 12 (Lynds 1457)

Details An X-ray pulsator in the direction of molecular cloud MBM 12 (Lynds 1457) An X-ray pulsator in the direction of molecular cloud MBM 12 (Lynds 1457)

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...377..240k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 377, Aug. 10, 1991, p. 240-245.

Astronomy and Astrophysics

Astronomy

12

Cataclysmic Variables, Molecular Clouds, Pulsars, X Ray Sources, X Ray Spectra, Carbon Monoxide, Infrared Astronomy, Radio Astronomy, Sky Surveys (Astronomy)

Scientific paper

Multiwave observations have been conducted near the central region of a molecular cloud MBM 12 and a peculiar X-ray source HO253 + 193. An IR object with a K-magnitude of about 13.5 was discovered within the error circle of X-ray source HO253 + 193. In the X-ray band, a coherent 206 s pulsation from HO253 + 193 was found. X-ray spectrum of HO253 + 193 was very similar to that of a cataclysmic variable with a strong magnetic field. With fine CO mapping observation near HO253 + 193, it was found that the position of HO253 + 193 (or the new IR source) is slightly off-center from the intensity peak of the molecular cloud.

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