On the radius determination of the variable F-type supergiant BL Tel/F/

Details On the radius determination of the variable F-type supergiant BL Tel/F/ On the radius determination of the variable F-type supergiant BL Tel/F/

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...105..250v&link_type=abstract

Astronomy and Astrophysics, vol. 105, no. 2, Jan. 1982, p. 250-253.

Astronomy and Astrophysics

Astrophysics

6

Astrometry, F Stars, Radii, Stellar Rotation, Supergiant Stars, Variable Stars, Light Curve, Periodic Variations, Pulse Amplitude, Radial Velocity, Stellar Evolution, Stellar Luminosity, Stellar Mass, Visible Spectrum

Scientific paper

The radius of the variable F type supergiant in the eclipsing system BL Tel is derived with the aid of the Baade-Wesselink method, the visual surface brightness-color index relation technique and a third method based on a relation between pulsational amplitude and light amplitude. The three methods give similar results viz. R = 200 + or 40 solar radii in accordance with the value derived from the orbital light curve. An ambiguity arose since the value for the pulsational constant Q (0.10 + or - 0.03) is twice as high as those for radial pulsators. This suggests a non-radial pulsation while the techniques mentioned above, resulting in an acceptable result, are assumed to be only applicable to radial pulsators.

Affiliated with

Also associated with

No associations

Rating

On the radius determination of the variable F-type supergiant BL Tel/F/ 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 On the radius determination of the variable F-type supergiant BL Tel/F/, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On the radius determination of the variable F-type supergiant BL Tel/F/ will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1455064