Detection of a white dwarf in a visual binary system

Details Detection of a white dwarf in a visual binary system Detection of a white dwarf in a visual binary system

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....104.1539b&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 104, no. 4, p. 1539-1542.

Astronomy and Astrophysics

Astronomy

6

Binary Stars, Dwarf Stars, Stellar Magnitude, Stellar Spectrophotometry, Stellar Temperature, Energy Distribution, Iue, Lyman Alpha Radiation, Stellar Luminosity

Scientific paper

The F6 giant HD 160365 was detected to have a white dwarf companion about 8 arcsec south of the star. The UV energy distribution observed with IUE shows that the white dwarf has an effective temperature of 23,000 +/- 2000 K. If log g = 8 the Lya profile indicates an effective temperature around 24,500 K. Using the theoretical models by Wesemael et al. (1980) one finds a visual magnitude of m(V) about 16.5. For T(eff) = 24,500 K one expects for a white dwarf a luminosity of log L/L(solar) about 1.3 and M(V) about 10.67. This gives a distance modulus for the system of m(V) - M(V) = 5.83 and an absolute magnitude M(V)= 0.3 for the giant.

Affiliated with

Also associated with

No associations

Rating

Detection of a white dwarf in a visual binary system 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 Detection of a white dwarf in a visual binary system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Detection of a white dwarf in a visual binary system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1869414