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2007AJ....133.2495D - Astron. J., 133, 2495-2501 (2007/June-0)
Spectral classification of optical counterparts to ROSAT all-sky survey X-ray sources.
DRAGOMIR D., ROY P. and RUTLEDGE R.E.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): Stars: General - Surveys - X-Rays: Galaxies - X-Rays: General - X-Rays: Stars
VizieR on-line data: <Available at CDS (J/AJ/133/2495): table1.dat>
CDS comments: Table 1, col(1): Numbering NNN is not used in SIMBAD.
Simbad objects: 197
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