J/A+A/394/187 γ Ser & 101 Her elemental abundances (Caliskan+, 2002)
Elemental abundance analyses with DAO spectrograms. XXVI.
The superficially normal stars γ Serpentic (F6 V) and 101 Herculis (A7 V).
Caliskan H., Adelman S.J., Cay M.T., Gulliver A.F., Tektunali H.G., Teker A.
<Astron. Astrophys. 394, 187 (2002)>
=2002A&A...394..187C 2002A&A...394..187C
ADC_Keywords: Stars, normal ; Abundances, peculiar
Keywords: stars: abundances - stars: individual: γ Ser -
stars: individual: 101 Her
Abstract:
Elemental abundances analysis of the superficially normal stars γ
Ser (F6 V) and 101 Herculis (A7 V) consistent with previous studies of
this series using photographic region spectrograms obtained with
Reticon and CCD detectors produced derived values that are generally
solar except for Al which is very underabundant and the rare earths
which do not have the solar pattern. Similar discrepancies from solar
values are seen in other superficially normal stars of this series
with similar temperatures. Our results for γ Ser are in
acceptable agreement with other recent studies based on different
techniques and spectral regions.
Objects:
----------------------------------------------------------
RA (2000) DE Designation(s) (Sp)
----------------------------------------------------------
15 56 27.2 +15 39 42 gamma Ser = HD 142860 (F6 V)
18 08 52.9 +20 02 43 101 Her = HD 166230 (A7 V)
18 07 01.5 +30 33 44 99 Her = HD 165908 (F7 V)
00 30 07.4 +29 45 06 28 And = HD 2628 (A7 III)
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File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
table3a.dat 50 850 Elemental abundances
table3b.dat 33 35 Relative abundances
table4.dat 58 35 Comparison of derived and solar abundances
--------------------------------------------------------------------------------
See also:
J/A+AS/107/353 : CP stars (Lopez-Garcia+, 1994)
J/A+AS/125/219 : mu Lep, 7 Sex, HR 4817 & 28 Her abundances (Adelman+ 1997)
J/A+AS/129/563 : Abundances of HR 4487, 14 Hyd and 3 Cen A (Pintado+ 1998)
J/A+AS/137/227 : HD 133029 & HD 192913 abundances (Lopez-Garcia+ 1999)
J/A+A/367/597 : ups Her, phi Her & HR 7018 abundances (Adelman+, 2001)
J/A+A/367/859 : α Scl and HD 170973 abundances (Lopez-Garcia+, 2001)
J/A+A/371/1078 : alpha Dra, tau Her, gamma Lyr, HR 7926 (Adelman+, 2001)
J/MNRAS/316/514 : 28 And & 99 Her elemental abundances (Adelman+, 2000)
J/A+A/406/975 : theta And, eps Del, eps Aqr, iota And (Kocer+, 2003)
J/A+A/406/987 : xi Oct, alpha Sex, 68 Tau elemental abund. (Pintado+, 2003)
Byte-by-byte Description of file: table3a.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 5 A5 --- Ion Ion
6- 11 A6 --- No Multiplet number from Moore (1945) if first
line of multiplet, if not from Moore an
initial indicating the paper (1)
13- 19 F7.2 0.1nm Lambda Laboratory wavelength (air)
21- 25 F5.2 --- log(gf) Oscillator strength
27- 28 A2 --- r_log(gf) Reference to oscillator strength (2)
30- 32 I3 0.1pm EW1 ? Equivalent width for γ Ser
34- 39 F6.2 --- log(N/Ntot)1 ? Elemental abundance for γ Ser (3)
41- 43 I3 0.1pm EW2 ? Equivalent width for 101 Her
45- 50 F6.2 --- log(N/Ntot)2 ? Elemental abundance for 101 Her (3)
--------------------------------------------------------------------------------
Note (1): the acronyms are:
C: Catalan et al., 1964, J. Res. NBS, 68A, 9
J: Johansson S., 1978, Phys. Scripta, 18, 217
K: Kurucz & Bell 1995, Kurucz CD-Rom No. 23
MCS: Meggers et al., 1975, Tables of Spectral-Line Intensities, US
Goverment Printing Office, Washington, DC
N: Nave et al., 1994, Cat. J/ApJS/94/221
Note (2): Sources of gf-values:
BG: Biemont et al. (1989A&A...209..391B 1989A&A...209..391B) for V II;
Biemont et al. (1981ApJ...248..867B 1981ApJ...248..867B) for Zr II
BK: Biemont et al. (1982A&A...107..166B 1982A&A...107..166B)
FW: Fuhr & Wiese (1990, in Lide D.R. ed., CRC Handbook of Chemistry
and Physics, CRC Press, Cleveland, OH)
HL: Hannaford et al. (1982ApJ...261..736H 1982ApJ...261..736H)
JK: Jonsson et al. (1984, Phys. Rev. A, 30, 2429)
KX: Kurucz & Bell (1995, Atomic Data for Opacity Calculations, Kurucz
CD-Rom No. 23, (Smithsonian Astrophysical Observatory, Cambridge, MA)
LA: Lanz & Artru (1985PhyS...32..115L 1985PhyS...32..115L)
LD: Lawler & Dakin (1989, JOSA B, 6, 1457)
MF: Fuhr, Martin & Wiese (1988, Cat. VI/72) &
Martin, Fuhr & Wiese (1988, Cat. VI/72)
MC: Magazzu & Cowley (1986ApJ...308..254M 1986ApJ...308..254M)
MW: Miles & Wiese (1969, NBS Technical Note No. 474)
YF: Younger et al. (1978, J. Phys. Chem. Ref. Data, 7, 495)
WF: Wiese, Fuhr & Deters (1996, J. Phys. Chem. Ref. Data, Monograph 6)
WM: Wiese & Martin (1980, NSRDS-NBS 68, Part.2, US Governement
Printing Office, Washington)
WS Wiese, Smith & Glennon (1966, NSRDS-NBS 4, US Governement
Printing Office, Washington) &
Wiese, Smith & Miles (1969, NSRDS-NBS, D.C.: US Department of
Commerce, National Bureau of Standards)
WV Ward (1985MNRAS.213...71W 1985MNRAS.213...71W)
Note (3): the designations are:
N = number of atoms/volume of particular element
Ntot = number of atoms/volume of all elements
--------------------------------------------------------------------------------
Byte-by-byte Description of file: table3b.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 5 A5 --- Ion Ion
8- 9 A2 --- El Element
11- 16 F6.2 --- log(El/Ntot)1 ? Elemental abundance for γ Ser (1)
18- 21 F4.2 --- e_log(El/Ntot)1 ? rms uncertainty on log(El/Ntot)1
23- 28 F6.2 --- log(El/Ntot)2 ? Elemental abundance for 101 Her (1)
30- 33 F4.2 --- e_log(El/Ntot)2 ? rms uncertainty on log(El/Ntot)2
--------------------------------------------------------------------------------
Note (1): El = Element
Ntot = number of atoms/volume of all elements
--------------------------------------------------------------------------------
Byte-by-byte Description of file: table4.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 5 A5 --- Ion Ion
7- 12 F6.2 [Sun] logN/H1 ? Elemental abundance for 99 Her (1)
14- 19 F6.2 [Sun] logN/H2 ? Elemental abundance for γ Ser (1)
21- 24 F4.2 [Sun] e_logN/H2 ? rms uncertainty on logN/H2
26- 28 I3 --- o_logN/H1 Number of lines used to derive
logN/H1 and logN/H2
30- 35 F6.2 [Sun] logN/H3 ? Elemental abundance for 28 And (1)
37- 42 F6.2 [Sun] logN/H4 ? Elemental abundance for 101 Her (1)
44- 47 F4.2 [Sun] e_logN/H4 ? rms uncertainty on logN/H4
49- 51 I3 --- o_logN/H3 ? Number of lines used to derive
logN/H3 and logN/H4
53- 58 F6.2 [Sun] Sun Solar elemental abundance
--------------------------------------------------------------------------------
Note (1): Effective temperatures:
99 Her: Teff=6100K
28 And: Teff=7350K
101 Her: Teff=8061K
γ Ser: Teff=6300K
--------------------------------------------------------------------------------
Acknowledgements: Saul J. Adelman
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(End) Patricia Bauer [CDS] 04-Oct-2002