Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...278..215s&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 278, March 1, 1984, p. 215-219.
Astronomy and Astrophysics
Astrophysics
26
Binary Stars, Radial Velocity, Star Clusters, Stellar Spectra, Early Stars, Galactic Clusters, Image Tubes, Mass Transfer, Open Clusters, Statistical Tests
Scientific paper
Image-tube spectra have been obtained for seven bright, blue stragglers in NGC 7789. Statistical tests applied to the data indicate that these stars do not have radial velocity variations greater than the detection limit of ≡12 km s-1. Corrections have been made for possible semiamplitudes smaller than this limit. The corrected possible binary frequency is about the same or less than the frequency observed in open clusters for stars of these early spectral types. The conclusion is that, although some stragglers may be binaries, duplicity, or at least close duplicity, is unlikely to be a necessary condition for the existence of all blue stragglers.
Hrivnak Bruce J.
Stryker L. L.
No associations
LandOfFree
A search for radial velocity variations in the blue stragglers of NGC 7789 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with A search for radial velocity variations in the blue stragglers of NGC 7789, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A search for radial velocity variations in the blue stragglers of NGC 7789 will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1037197