Possible optical observation of the companion star to the binary pulsar PSR1913+16

Details Possible optical observation of the companion star to the binary pulsar PSR1913+16 Possible optical observation of the companion star to the binary pulsar PSR1913+16

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979natur.280..367c&link_type=abstract

Nature, vol. 280, Aug. 2, 1979, p. 367-370.

Astronomy and Astrophysics

Astronomy

8

Binary Stars, Companion Stars, Pulsars, Astronomical Photography, Charge Coupled Devices, Color, Photointerpretation, Radii, Stellar Magnitude, Stellar Temperature

Scientific paper

Deep R-band CCD photographs of the region surrounding the binary pulsar PSR 1913+16 have been obtained with the 4-m telescope of the Kitt Peak National Observatory. By using an accurate astrometric solution, a star with an R magnitude of 20.9 is found at the precise coordinates of the pulsar. Possible interpretations of this result, including the unlikely (less than 3%) possibility that it is an accidental superposition of a field star, are discussed. If this object is the physical companion to the pulsar, it is probably a helium star.

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