J/ApJ/416/787 Mount Wilson Crv Metallicity index (Soon+ 1993)
The Mount Wilson Observatory Metallicity index, Crv: comparison with
other photometric systems
SOON W.H., ZHANG Q., BALIUNAS S.L., KURUCZ R.L.
<Astrophys. J. 416, 787 (1993)>
=1993ApJ...416..787S 1993ApJ...416..787S
ADC_Keywords: Stars, giant; Stars, supergiant; Photometry; Abundances, [Fe/H]
Keywords: stars: abundances - stars: late-type - techniques: spectroscopic
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1 118 236 Data for dwarfs
table2 117 141 Data for giants
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Byte-by-byte Description of file: table1
Byte-by-byte Description of file: table2
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD []? HD designation
7 A1 --- m_HD Multiplicity index on HD designation
8 A1 --- n_HD [*] Note for HD 36389 (1)
10- 19 A10 --- Name Other name
22- 27 F6.3 mag <Crv> []? Time averaged spectrophotometric index
Crv = 2.5 log (NR/NV) (2)
29- 32 I4 --- o_<Crv> []? Number of observed points
34- 38 F5.3 mag e_<Crv> []? Standard deviation of observed points
40- 44 F5.3 mag b-y Observed b-y index
46- 51 F6.3 mag m1 Observed m1 index
53- 57 F5.3 mag c1 []? Observed c1 index
59- 62 F4.2 mag V-K []? Observed V-K index
64- 67 F4.2 --- THETAeff []? Observed stellar effective temperature
(THETAeff= 5040/Teff, Teff in K)
69- 71 F3.1 [cm/s2] log(g) []? Observed surface gravity
74- 78 F5.2 --- [Fe/H]1 []? Scaled iron abundance
79 A1 --- --- ',' indicates a metallicity interval
80- 84 F5.2 --- [Fe/H]2 []? Highest value of metallicity when
n_[Fe/H] = ,
92- 95 F4.1 mag Dm []? magnitude difference of the two components
for double stars
102-106 F5.1 arcsec Sep []? Maximum observed separation for
double stars
108-127 A20 --- Period Orbital period for double stars
The symbols SBa and SB identify the primary
star associated with a known or suspected
spectroscopic binary system.
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Note (1): Note that the reddest giant on the list HD 36389 had b-y = 1.440
and is not plotted in all the (b-y)-dependent plots.
Note (2): N_R and N_V are the counts in the two wider windows (20A) labeled
as R_4001 and V_3901, centered at 4001 and 3901 A respectively.
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Courtesy: Willie Soon
(End) Patricia Bauer [CDS] 11-Jul-1994