Presentation is loading. Please wait.

Presentation is loading. Please wait.

Stellar temperatures from Strömgren photometry

Similar presentations


Presentation on theme: "Stellar temperatures from Strömgren photometry"— Presentation transcript:

1 Stellar temperatures from Strömgren photometry
Eduard Masana Universitat de Barcelona Carme Jordi Universitat de Barcelona Ignasi Ribas Universitat de Barcelona & CSIC-IEEC COROTWeek 5, Berlin, December 2003

2 PhysPar94 PhysPar02 TEMPLOGG
Masana (1994) Figueras,Torra, & Jordi (1991) OK (VI) stars Photometric classification Intrinsic colours Absolute magnitude Metallicities Tefflog g: ATLAS6 & Olsen (1984) Grids Napiwotzki et al. (1993) ([Fe/H]=0) PhysPar02 Photometric detection of Bp and Ap stars v sini correction for A stars Improvement of the Mv calibration for A stars New mass and radius calibrations Improvement of determination of log g Revision of calibrations for [Fe/H] Tefflog g: ATLAS9 & Olsen (1984) Grids Napiwotzki (1998) (3.0<[Fe/H]<0.5) TEMPLOGG

3

4

5

6


Download ppt "Stellar temperatures from Strömgren photometry"

Similar presentations


Ads by Google