Photoelectric radial velocities. IX - The orbits of the spectroscopic binaries 81 and Chi Geminorum

Details Photoelectric radial velocities. IX - The orbits of the spectroscopic binaries 81 and Chi Geminorum Photoelectric radial velocities. IX - The orbits of the spectroscopic binaries 81 and Chi Geminorum

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982mnras.200.1161g&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 200, Sept. 1982, p. 1161-1168.

Astronomy and Astrophysics

Astronomy

12

Binary Stars, Electrophotometry, Giant Stars, Late Stars, Orbital Elements, Radial Velocity, Astronomical Spectroscopy, Velocity Distribution

Scientific paper

81 and χ Gem are fifth-magnitude late-type giant stars which have been known for more than half a century to be variable in radial velocity. Systematic Cambridge observations covering well over a decade now permit reliable orbits to be determined for both stars. The periods are approximately 4.2 and 6.7 yr respectively. The high γ velocity, +83 km s-1, of 81 Gem is noteworthy, but does not seem to be accompanied by any spectroscopic abnormality. It is likely that χ Gem is a triple system, as there appears to have been a small but significant change in its -velocity since the 1920s.

Affiliated with

Also associated with

No associations

Rating

Photoelectric radial velocities. IX - The orbits of the spectroscopic binaries 81 and Chi Geminorum 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 Photoelectric radial velocities. IX - The orbits of the spectroscopic binaries 81 and Chi Geminorum, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photoelectric radial velocities. IX - The orbits of the spectroscopic binaries 81 and Chi Geminorum will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1262189