Stellar effective temperatures and angular diameters determined by the infrared flux method (IRFM): revisions using improved Kurucz LTE stellar atmospheres J/A+A/282/899 J/A+A/282/899 Stellar effective temperatures and angular Stellar effective temperatures and angular diameters determined by the infrared flux method (IRFM): revisions using improved Kurucz LTE stellar atmospheres D E Blackwell A E Lynas-Gray Astron. Astrophys. 282 899 1994 1994A&A...282..899B Effective temperatures Stars, diameters stars: atmospheres stars: fundamental parameters *** No Description Available ***
Values of Log R as a function of temperature, wavelength and surface gravity log.g Surface gravity cm/s2 Teff Effective temperature K LogR1 Ratio of integrated flux to monochromatic flux lambda 1.2467 um --- LogR2 Ratio of integrated flux to monochromatic flux lambda 2.2135 um --- LogR3 Ratio of integrated flux to monochromatic flux lambda 3.7825 um --- Effect on determined effective temperatures of using Kurucz (1992) model atmospheres instead of MARCS atmospheres Teff Effective temperature K TcJ Temperature change for use of filter J K TcK Temperature change for use of filter K K TcL Temperature change for use of filter L K Effect on determined temperatures at J, K, L for a change in surface gravity Filter Filter used --- Teff Effective temperature K Tc2 Temperature change for log g=2 K Tc3 Temperature change for log g=3 K Tc3 Temperature change for log g=4 K Effect of A(V) on effective temperatures Effect of A(V) on the integrated flux Effect of A(V) on angular diameters Teff Effective temperature K CF5 Correction factors for A(V)=0.05m --- CF10 Correction factors for A(V)=0.10m --- CF15 Correction factors for A(V)=0.15m --- CF20 Correction factors for A(V)=0.20m --- Effect of a one per cent decrease in flux at J, K, L wavelengths on temperatures Teff Effective temperature K TcJ Temperature change at J wavelength K TcK Temperature change at K wavelength K TcL Temperature change at L wavelength K Parameters of selected stars BS BS (Bright Star catalogue) number --- n_BS When *, known spectroscopic binary --- SC Spectral class --- A(V) Interstellar extinction mag V Visual magnitude mag B-V B-V color mag V-K V-K color mag log.g Surface gravity cm/s2 Fe/H Metallicity --- FT Total flux 10-9W/m2 Teff Effective temperature K D Angular diameter mas Coefficients A,B,C in the relation temperature = A+B*(V-K)+C*(V-K)**2 Type Kind of star number= Temperature = A + B(V-K) + C(V-K)^2 --- A Coefficient A number= Temperature = A + B(V-K) + C(V-K)^2 --- B Coefficient B number= Temperature = A + B(V-K) + C(V-K)^2 --- C Coefficient C number= Temperature = A + B(V-K) + C(V-K)^2 --- Comparison between determined temperatures and calculated temperatures for stars which as not been detected as spectroscopic binaries Comparison between determined temperatures and calculated temperatures for known spectroscopic binaries BS BS (Bright Star catalogue) number --- Tm Measured temperature K Tc Calculated temperature number=1 For table9, temperature = 8906 - 2625*(V-K) + 363.2*(V-K)^2 where V-K has been corrected for interstellar extinction. The stars have not been detected to be spectroscopic binaries For table10, temperature = 8825 - 2548*(V-K) + 343.9*(V-K)^2, where V-K has been corrected for interstellar extinction. The stars are known spectroscopic binaries K R Residual (measured - calculated temperature) % Comparison of IRFM effective temperatures with 'adopted' temperatures of Bell and Gustafsson BS BS (Bright Star catalogue) number --- Tbg Adopted temperature of Bell & Gustafsson number=1 Bell R.A., Gustafsson B., 1989, MNRAS, 236, 653 K Tirfm IRFM (Infrared Flux Method) effective temperature K Tirfm-Tbg Temperature differences Tirfm - Tbg % Relation between temperatures determined by Ridgway et al. and present IRFM temperatures V-K V-K color mag Tirfm IRFM effective temperature K Tr Adopted temperature of Ridgway et al. number=1 Ridgway S.T. et al., 1980, ApJ, 235, 126 K Tirfm-Tr Temperature differences Tirfm - Tr K Tirfm-Tr Temperature differences Tirfm - Tr percent % Comparison between angular diameters determined by Michelson interferometry and present IRFM determinations BS BS (Bright Star catalogue) number --- ADi IRFM angular diameter --- ADm Michelson interferometry angular diameter number=1 Mozurkewich D. et al., 1991, AJ, 101, 2207 --- ADi-ADm Angular diameter difference IRFM-Michelson % Patricia Bauer CDS 1994Mar14 J_A+A_282_899.xml