view Abstract Citations (9) References (13) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS SCO X-1 as a member of the upper Scorpius complex. Eggen, O. J. Abstract Three stars that share the proper motioi~ of Sco XR-1, together with Sco XR-1 itself, are probably members of the Scorpius-Centaurus association of young disk stars. The resulting luminosity of Sco XR-1 is near +6 mag Publication: The Astrophysical Journal Pub Date: October 1969 DOI: 10.1086/180426 Bibcode: 1969ApJ...158L..31E full text sources ADS | data products SIMBAD (8) GCPD (1)