The temperatures of Alpha Centauri A and B

Details The temperatures of Alpha Centauri A and B The temperatures of Alpha Centauri A and B

Apr 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...158..273s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 158, no. 1-2, April 1986, p. 273, 274.

Astronomy and Astrophysics

Astrophysics

19

Astrometry, Binary Stars, H Alpha Line, Stellar Temperature, High Resolution, Radii, Stellar Models, Temperature Measurement

Scientific paper

High resolution and signal-to-noise observations of Hα in the Sun, α Cen A, and α Cen B are compared to models to derive temperatures: Teff(α Cen A) = 5770±20K and Teff(α Cen B) = 5350±50K. These are then used to calculate the radii of these stars: 1.23 and 0.80 R_sun; for α Cen A and B, respectively.

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