Abstract
view Abstract Citations (54) References (38) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS A search for optical counterparts of nine galactic X-ray sources. Davidsen, A. ; Malina, R. ; Bowyer, S. Abstract Results of a photographic and spectrophotometric search to a limiting B magnitude of approximately 18.5 for the optical counterparts of nine galactic X-ray sources with good positions are reported. The sources included in this survey are 3U 1709-23, 1728-16, 1728-24, 1758-20, 1758-25, 1811-17, 1813-14, 1837+04, 1908+00. Optical candidates for six of these sources are discussed, including blue objects which may be the optical counterparts of 1709-23 and 1728-16, a distant B star near 1908+00, and a very unusual strong-emission-line object which is probably associated with 1728-24 (GX 2+5). Coordinates, magnitudes, colors, spectral data, and finding charts are presented. Publication: The Astrophysical Journal Pub Date: January 1976 DOI: 10.1086/154096 Bibcode: 1976ApJ...203..448D Keywords: Astronomical Catalogs; Astronomical Photometry; Astronomical Spectroscopy; Galactic Radiation; X Ray Sources; Binary Stars; Photographic Measurement; Radio Galaxies; Spectrophotometry; Astronomy full text sources ADS | data products SIMBAD (6)
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