Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976jrasc..70...23b&link_type=abstract
Journal of the Royal Astronomical Society of Canada, vol. 70, Feb. 1976, p. 23-26. Research supported by the National Research
Astronomy and Astrophysics
Astronomy
4
Astronomical Spectroscopy, Binary Stars, Orbital Elements, Radial Velocity, Orbit Calculation, Stellar Rotation
Scientific paper
A total of 32 radial-velocity determinations made over the last 75 years are used to derive the period and orbital elements of delta And, a visual binary that may also be a spectroscopic pair. A period of about 41 years (15,000 days) is derived from a plot of velocity vs time, the phases are computed as a function of Julian day of observation and period, and the velocity curve is plotted. Based on the mass function and reasonable assumptions about the masses of the components, the inclination of the orbital plane is estimated to be 20 deg and the semimajor axis of the relative orbit is estimated as 47 AU. It is concluded that delta And is, in fact, a spectroscopic binary and that the velocity curve is now on its ascending branch and approaching a maximum.
No associations
LandOfFree
The spectroscopic orbit of delta Andromedae 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 The spectroscopic orbit of delta Andromedae, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The spectroscopic orbit of delta Andromedae will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1298751