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J/AZh/73/67 Energy distribution of G,K and M stars (Knyazeva+, 1996)
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On the normal spectral energy distribution of stars: G, K, and M stars.
Knyazeva L.N., Kharitonov A.V.
<Astron. Zh. 73, 67 (1996)>
=1996AZh....73...67K
=1996ARep...40...57K
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ADC_Keywords: Stars, late-type ; Energy distributions
Abstract:
A large number of stars from photometrically homogeneous catalogs are
used to derive the normal energy distribution for giants of 15
spectral subclasses. To judge the reliability of the results obtained,
the mean (B-V)_S_ color indices calculated for a sample of stars with
spectrophotometry are compared with the mean (B-V) for a complete
sample of stars of a given subclass from the Bright Star (<V/50>)
catalog.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 125 84 Normal energy distributions
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See also:
III/186 : Energy distribution in stars at 320-760nm (Knyazeva+, 1996)
Table1: Properties of stellar sample
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| General sample | Stars with spectrophotometry
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Sp |N (B-V) (B-V) (B-V) sigma^2^| Ns (B-V)s (B-V)s (B-V)s sigma^2^ B-V
| max min mean | max min mean [10]
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G7III 22 0.99 0.82 0.937 0.0035 7 0.97 0.82 0.913 0.0036
G8III 247 1.13 0.81 0.951 0.0032 50 1.07 0.87 0.949 0.0002 0.94
G9III 80 1.19 0.88 1.001 0.0035 10 1.19 0.93 1.013 0.0081
KOIII 328 1.19 0.90 1.035 0.0037 47 1.17 0.92 1.028 0.0036 1.01
K1III 207 1.26 0.97 1.107 0.0045 17 1.16 0.98 1.085 0.0040 1.08
K2III 182 1.29 1.02 1.171 0.0037 32 1.26 1.03 1.178 0.0029 1.16
K3III 158 1.48 1.16 1.329 0.0067 34 1.48 1.17 1.305 0.0054 1.29
K4III 122 1.64 1.26 1.446 0.0060 19 1.50 1.36 1.436 0.0016
K5III 149 1.67 1.30 1.510 0.0063 17 1.66 1.45 1.527 0.0025 1.51
MOIII 68 1.73 1.43 1.579 0.0038 19 1.68 1.50 1.572 0.0028 1.56
M1III 79 1.77 1.51 1.619 0.0025 17 1.68 1.51 1.597 0.0024 1.58
M2III 80 1.76 1.52 1.630 0.0025 29 1.72 1.52 1.625 0.0018 1.59
M3III 65 1.76 1.52 1.636 0.0025 30 1.73 1.53 1.630 0.0016 1.60
M4III 46 1.75 1.53 1.616 0.0021 12 1.69 1.53 1.607 0.0021 1.59
M5III 23 1.84 1.47 1.586 0.0065 6 1.60 1.57 1.587 0.0001 1.56
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Reference:
10. Straizhis, V. Mnogotsvetnaya fotometriya zvezdy (Multicolor Stellar
photometry), Vilnius: Mokslas, 1977
Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 4 I4 0.1nm Lambda Wavelength
9- 13 F5.3 --- G7III Spectral energy for G7III stars normalized
to 1.0 at 5475 A
17- 21 F5.3 --- G8III Spectral energy for G8III stars normalized
to 1.0 at 5475 A
25- 29 F5.3 --- G9III Spectral energy for G9III stars normalized
to 1.0 at 5475 A
33- 37 F5.3 --- K0III Spectral energy for K0III stars
normalized to 1.0 at 5475 A
41- 45 F5.3 --- K1III Spectral energy for K1III stars normalized
to 1.0 at 5475 A
49- 53 F5.3 --- K2III Spectral energy for K2III stars normalized
to 1.0 at 5475 A
57- 61 F5.3 --- K3III Spectral energy for K3III stars normalized
to 1.0 at 5475 A
65- 69 F5.3 --- K4III Spectral energy for K4III stars normalized
to 1.0 at 5475 A
73- 77 F5.3 --- K5III Spectral energy for K5III stars normalized
to 1.0 at 5475 A
81- 85 F5.3 --- M0III Spectral energy for M0III stars normalized
to 1.0 at 5475 A
89- 93 F5.3 --- M1III Spectral energy for M1III stars normalized
to 1.0 at 5475 A
97-101 F5.3 --- M2III Spectral energy for M2III stars normalized
to 1.0 at 5475 A
105-109 F5.3 --- M3III Spectral energy for M3III stars normalized
to 1.0 at 5475 A
113-117 F5.3 --- M4III Spectral energy for M4III stars normalized
to 1.0 at 5475 A
121-125 F5.3 --- M5III Spectral energy for M5III stars normalized
to 1.0 at 5475 A
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(End) Veta Avedisova [INASAN] 06-Feb-2001