III/25A Na, Mg, Ca abundances in K-type giants (Peat+ 1968)
Abundances of sodium, magnesium and calcium in K-type giant stars. Table I
Peat D.W., Pemberton A.C.
<Mon. Not. Roy. Astron. Soc. 140, 21-41 (1968)>
=1968MNRAS.140...21P 1968MNRAS.140...21P
=2016yCat.3025....0P 2016yCat.3025....0P
ADC_Keywords: Abundances; Stars, K-type; Stars, giant
Abstract:
Narrow-band photometric measures of the strengths of the Mg b, Ca
triplet, and Na D lines on 312 G and K type giant stars have been
analysed with a model atmosphere technique to determine abundances
of Mg, Ca and Na.
Description:
The observations were made at Cambridge using a narrow-band
photoelectric photometer at the coude focus of the 36-inch (0.9m)
telescope. The results are collected in table1.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 79 311 Observed Mg, Ca and Na photometric ratios
table2.dat 60 85 Abundances in Mg, Ca and Na
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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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4- 9 I6 --- HD HD identification of the star
10 A1 --- f_HD [*?] indicates an error in the original table
(see the "History" section below)
16- 20 F5.3 --- NaD [1.04/1.61]? Na(D) index (5890-5896Å)
22- 26 F5.3 --- Mgb [2.10/2.92]? Mg(b) index (5167-5184Å)
28- 32 F5.3 --- CaT [1.04/1.16]? Ca triplet index (8500-8662Å)
35- 38 F4.2 mag U-B [0.19/1.96]? (U-B) Johnson index
41- 44 F4.2 mag B-V [0.67/1.63]? (B-V) Johnson index
46- 50 F5.3 mag r-i [0.35/0.93]? (r-i) color index in Argue's
photometric system (1967MNRAS.135...23A 1967MNRAS.135...23A, II/38))
77- 79 I3 --- Seq [1/311] Sequential star number
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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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4- 9 I6 --- HD HD identification of the star
10 A1 --- f_HD [*] indicates a correction from original table
(see the "History" section below)
14- 18 F5.2 [Sun] [Na/H]5 [-1.5/0.3]? Na abundance for g=5m/s2(logg=2.7)
20- 24 F5.2 [Sun] [Mg/H]5 [-1.2/0.3]? Mg abundance for g=5m/s2(logg=2.7)
26- 30 F5.2 [Sun] [Ca/H]5 [-1.2/0.1]? Ca abundance for g=5m/s2(logg=2.7)
32- 36 F5.2 [Sun] [Mg/Ca]5 [-0.5/1.0]? log(Mg/Ca) abundance ratio
for g=5m/s2 (logg=2.7)
38- 42 F5.2 [Sun] [Na/H]2 [-1.3/0.3]? Na abundance for g=2m/s2(logg=2.3)
44- 48 F5.2 [Sun] [Mg/H]2 [-0.9/0.4]? Mg abundance for g=2m/s2(logg=2.3)
50- 54 F5.2 [Sun] [Ca/H]2 [-1.0/0.3]? Ca abundance for g=2m/s2(logg=2.3)
56- 60 F5.2 [Sun] [Mg/Ca]2 [-0.5/1.0]? log(Mg/Ca) abundance ratio
for g=2m/s2(logg=2.3)
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History:
* 10-Feb-2016: tables 1 and 2, originally split in 2 catalogs (III/25
and III/26) have been merged. Some errors were found and the flag
f_HD was added to mark obvious errors:
-- table1: (*) marks the errors which could be fixed, and (?) those
which could not be fixed:
(*) HD 19789 corrected into HD 19787 (δ Ari)
(*) HD 66140 corrected into HD 66141 (HD 166140 is an F0 star)
(?) HD 117976 is a Southern (-54°) 9-mag A1 star
(*) HD 180267 corrected into 180262 (HD 180267 is a 10-mag A1 star)
-- table 2: HD 9183 was corrected into HD 9138
(End) Francois Ochsenbein [CDS] 09-Feb-2016