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J/A+A/282/899 Teff and angular diameters from IRFM (Blackwell+ 1994)
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Stellar effective temperatures and angular diameters determined by the infrared
flux method (IRFM): revisions using improved Kurucz LTE stellar atmospheres
Blackwell D.E., Lynas-Gray A.E.
<Astron. Astrophys. 282, 899 (1994)>
=1994A&A...282..899B
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ADC_Keywords: Effective temperatures ; Stars, diameters ; Photometry, infrared
Keywords: stars: fundamental parameters - stars: atmospheres
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 41 72 Values of Log R as a function of temperature,
wavelength and surface gravity
table2.dat 17 4 Effect on determined effective temperatures of
using Kurucz (1992) model atmospheres instead
of MARCS atmospheres
table3.dat 40 18 Effect on determined temperatures at J, K, L
for a change in surface gravity
table4.dat 43 6 Effect of A(V) on effective temperatures
table5.dat 35 5 Effect of a one per cent decrease in flux at
J, K, L wavelengths on temperatures
table6.dat 75 80 Parameters of selected stars
table7.dat 43 6 Effect of A(V) on the integrated flux
table8.dat 52 3 Coefficients A,B,C in the relation
temperature = A+B*(V-K)+C*(V-K)**2
table9.dat 30 48 Comparison between determined temperatures and
calculated temperatures for stars which as not
been detected as spectroscopic binaries
table10.dat 30 32 Comparison between determined temperatures and
calculated temperatures for known
spectroscopic binaries
table11.dat 34 19 Comparison of IRFM effective temperatures with
'adopted' temperatures of Bell and Gustafsson
table12.dat 47 3 Relation between temperatures determined by
Ridgway et al. and present IRFM temperatures
table13.dat 43 6 Effect of A(V) on angular diameters
table14.dat 54 3 Comparison between angular diameters determined
by Michelson interferometry and
present IRFM determinations
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 3 F3.1 [cm/s2] log.g Surface gravity
6- 9 I4 K Teff Effective temperature
15- 20 F6.4 --- LogR1 Ratio of integrated flux to
monochromatic flux lambda 1.2467 um
24- 29 F6.4 --- LogR2 Ratio of integrated flux to
monochromatic flux lambda 2.2135 um
34- 39 F6.4 --- LogR3 Ratio of integrated flux to
monochromatic flux lambda 3.7825 um
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 4 I4 K Teff Effective temperature
7- 9 I3 K TcJ Temperature change for use of filter J
12- 13 I2 K TcK Temperature change for use of filter K
16- 17 I2 K TcL Temperature change for use of filter L
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1 A1 --- Filter Filter used
4- 7 I4 K Teff Effective temperature
18- 20 I3 K Tc2 Temperature change for log g=2
28- 30 I3 K Tc3 Temperature change for log g=3
38- 40 I3 K Tc4 Temperature change for log g=4
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Byte-by-byte Description of file: table4.dat
Byte-by-byte Description of file: table7.dat
Byte-by-byte Description of file: table13.dat
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Bytes Format Units Label Explanations
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1- 4 I4 K Teff Effective temperature
14- 19 F6.4 --- CF5 Correction factors for A(V)=0.05m
22- 27 F6.4 --- CF10 Correction factors for A(V)=0.10m
30- 35 F6.4 --- CF15 Correction factors for A(V)=0.15m
38- 43 F6.4 --- CF20 Correction factors for A(V)=0.20m
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Byte-by-byte Description of file: table5.dat
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Bytes Format Units Label Explanations
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5- 8 I4 K Teff Effective temperature
17- 18 I2 K TcJ Temperature change at J wavelength
26- 27 I2 K TcK Temperature change at K wavelength
34- 35 I2 K TcL Temperature change at L wavelength
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Byte-by-byte Description of file: table6.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- BS BS (Bright Star catalogue) number
5 A1 --- n_BS When *, known spectroscopic binary
8- 15 A8 --- SpType Spectral class
16- 19 F4.2 mag A(V) Interstellar extinction
22- 25 F4.2 mag V Visual magnitude
28- 31 F4.2 mag B-V B-V color
34- 37 F4.2 mag V-K V-K color
40- 42 F3.1 [cm/s2] log.g []? Surface gravity
45- 49 F5.2 --- Fe/H []? Metallicity
52- 60 E9.3 10-9W/m2 FT Total flux
63- 66 I4 K Teff Effective temperature
69- 73 F5.3 mas D Angular diameter
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Byte-by-byte Description of file: table8.dat
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Bytes Format Units Label Explanations
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6- 15 A10 --- Type Kind of star
20- 23 I4 --- A Coefficient A
29- 33 I5 --- B Coefficient B
40- 44 F5.1 --- C Coefficient C
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Note: Temperature = A + B(V-K) + C(V-K)^2
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Byte-by-byte Description of file: table9.dat
Byte-by-byte Description of file: table10.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- BS BS (Bright Star catalogue) number
8- 11 I4 K Tm Measured temperature
15- 18 I4 K Tc Calculated temperature (1)
21- 26 F6.2 % R Residual (measured - calculated temperature)
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Note (1):
For table9.dat, 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.dat, 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
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Byte-by-byte Description of file: table11.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- BS BS (Bright Star catalogue) number
8- 11 I4 K Tbg Adopted temperature of Bell & Gustafsson (1)
15- 18 I4 K Tirfm IRFM (Infrared Flux Method) effective
temperature
24- 28 F5.2 % Tirfm-Tbg Temperature differences Tirfm - Tbg
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Note (1): Bell R.A., Gustafsson B., 1989MNRAS.236..653B
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Byte-by-byte Description of file: table12.dat
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Bytes Format Units Label Explanations
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4- 7 F4.2 mag V-K V-K color
12- 15 I4 K Tirfm IRFM effective temperature
22- 25 I4 K Tr Adopted temperature of Ridgway et al. (1)
34- 36 I3 K Tirfm-Tr Temperature differences Tirfm - Tr
45- 47 F3.1 % DT/T Temperature differences Tirfm - Tr percent
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Note (1): Ridgway S.T. et al., 1980ApJ...235..126R
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Byte-by-byte Description of file: table14.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- BS BS (Bright Star catalogue) number
12- 15 F4.2 --- ADi IRFM angular diameter
26- 29 F4.2 --- ADm Michelson interferometry angular diameter (1)
44- 48 F5.2 % ADi-ADm Angular diameter difference IRFM-Michelson
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Note (1): Mozurkewich D. et al., 1991AJ....101.2207M
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(End) Patricia Bauer [CDS] 14-Mar-1994