The X-ray pulsar twins 1E1145.1 - 6141 and 2S1145 - 619, according to observations with the ART-P telescope aboard the GRANAT observatory

Details The X-ray pulsar twins 1E1145.1 - 6141 and 2S1145 - 619, according to observations with the ART-P telescope aboard the GRANAT observatory The X-ray pulsar twins 1E1145.1 - 6141 and 2S1145 - 619, according to observations with the ART-P telescope aboard the GRANAT observatory

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992sval...18..228g&link_type=abstract

Soviet Astronomy Letters, Vol. 18, p. 228; Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 18, no. 7, July 1992, p. 570

Astronomy and Astrophysics

Astronomy

7

Pulsars, Spaceborne Telescopes, X Ray Binaries, X Ray Telescopes, Light Curve, Spaceborne Astronomy, X Ray Astronomy, X Ray Imagery

Scientific paper

Only one of the X-ray pulsar twins, 2S1145 - 619 and 1E1145.1 - 6141, which are separated by 15 arcmin and have similar pulsation periods (292 and 297 s, respectively), was detected by the ART-P imaging instrument aboard Granat during observations on February 6-7, 1992. The 6-20-keV flux from the source detected, 1E1145.1 - 6141, was 23 +/- 3 mCrab and pulsated with a barycentric period of 296.79 +/- 0.09 s. The upper limit for the 2S1145 - 619 flux in the 6-20-keV band was 8 mCrab (at the level of three standard deviations).

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