Abstract
view Abstract Citations (5) References (15) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Mean Velocities of Binaries in the Perseus Arm Abt, Helmut A. ; Jennings, Mark ; Lee, Paul D. ; Villere, Karen R. Abstract Orbital elements are given for eleven faint binaries in the Perseus arm near 100 . The mean gamma velocity is marginally larger (4.6 + 2.2 km sec-1) than for twenty-six constant-velocity stars in the same region. It is concluded that not only is the mean radial velocity of single stars similar to that of neutral hydrogen gas in their vicinity, but the velocities of spectroscopic binaries are also roughly similar if those velocities are derived from measures of absorption4ine wings. It is still possible that measurements of line cores for closely spaced binaries may lead to velocities that are systematically too large. Publication: The Astrophysical Journal Pub Date: August 1970 DOI: 10.1086/150553 Bibcode: 1970ApJ...161..477A full text sources ADS |
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