Seasonal Variations of Radial Velocity of RY Sagittarii, a Star with the R Coronae Borealis Type Variability

Details Seasonal Variations of Radial Velocity of RY Sagittarii, a Star with the R Coronae Borealis Type Variability Seasonal Variations of Radial Velocity of RY Sagittarii, a Star with the R Coronae Borealis Type Variability

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..391...47r&link_type=abstract

Hydrogen-Deficient Stars ASP Conference Series, Vol. 391, proceedings of the conference held 17-21 September, 2007, at Eberhard

Other

Scientific paper

Our monitoring of RY Sgr in 2005-2007 confirmed that the average radial velocity varies from year to year as has already been noted for 1970 and 1988. Averaged radial velocities were -27, -15 and -20 km s-1 in 2005, 2006 and 2007, respectively. We did not find a smooth transition from one value to the other during our season of observations that is 5 months. Radial velocity pulsates with two periods: 37.6 and 49 days. The amplitude of velocity pulsation has decreased from 32 km s-1 in 2005 to 21 km s-1 in 2007.

Affiliated with

Also associated with

No associations

Rating

Seasonal Variations of Radial Velocity of RY Sagittarii, a Star with the R Coronae Borealis Type Variability 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 Seasonal Variations of Radial Velocity of RY Sagittarii, a Star with the R Coronae Borealis Type Variability, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Seasonal Variations of Radial Velocity of RY Sagittarii, a Star with the R Coronae Borealis Type Variability will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1359812