Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apl....16..145c&link_type=abstract
Astrophysical Letters, vol. 16, no. 4, 1975, p. 145-149. Research supported by the Science Research Council.
Astronomy and Astrophysics
Astronomy
7
Oao 3, X Ray Sources, X Ray Spectra, Radiation Detectors, X Ray Astronomy
Scientific paper
X-ray observations of Scutum X-1 by the Copernicus satellite have been combined with the published results of a rocket scan along the galactic plane to derive the position of the source. The most likely position is right ascension 18 h 35 m 11 s, declination -7 deg 48 min 00 sec (1950); possible optical counterparts are suggested. The cutoff in the spectrum is equivalent to a column density of between 10 to the 23rd and 10 to the 24th power atoms/sq cm. Upper limits to the time variability of the source are computed.
Charles Phil A.
Davison J. N. P.
Mason Keith O.
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