HD20: found in 6 paper(s).

Labels:

/D.L.Burris et al.(2000)/ /N.Christlieb et al.(2004)/ /R.G.Gratton et al.(2000)/ /P.S.Barklem et al.(2005)/ /J.P.Fulbright and J. A. Johnson(2003)/ /B.W.Carney et al.(2003)/

Find this object in SIMBAD

A0014

Title NEUTRON-CAPTURE ELEMENTS IN THE EARLY GALAXY: INSIGHTS FROM A LARGE SAMPLE OF METAL-POOR GIANTS
ADS D.L.Burris et al.,ApJ, 544, 302, 2000
Authors D. L. Burris, C. A. Pilachowski, T. E. Armandroff, C. Sneden, J. J. Cowan, H. Roe

Get more information of this paper.

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A N/A MAYALLKPNO 20000 100-200 N/A N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Photometric data

V 9.07

Atmospheric data

Teff 5475
log g 2.80
vturb 2.00

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Fe...-1.39...6.11
Sr...-1.340.051.56
Y...-1.44-0.050.80
Zr...-0.930.461.67
Ba...-0.810.581.32
La...-1.000.390.22
Nd...-0.810.580.69
Eu...-0.620.77-0.11
Dy...-0.470.920.63
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0021

Title The Hamburg/ESO R-process Enhanced Star survey (HERES)
ADS N.Christlieb et al.,AAP, 428, 1027, 2004
Authors N. Christlieb, T. C. Department of Physics and Astronomy, MSU. Beers, P. S. Department of Astronomy and Space Physics, UppsalaU. Barklem, M. Bessell, V. Hill, J. Holmberg, A. J. Department of Astronomy and Space Physics, UppsalaU. Korn, B. Marsteller, L. Mashonkina, Y-Z. Qian, S. Rossi, G. J. Division of Geophysics and Planetary Sciences, CIT. Wasserburg, F-J. Zickgraf, K-L. Kratz, B. Nordstrom, B. Pfeiffer, J. Rhee, S. G. Department of Physics and Astronomy, OpenU. Ryan

Get more information of this paper.

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2001-12-04-003244 N/A N/A 20000 101 60
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination -271618
Right Ascension 000515.3

Photometric data

V 9.07
B-V 0.54

Atmospheric data

A0049

Title Mixing along the red giant branch in metal-poor field stars
ADS R.G.Gratton et al.,AAP, 354, 169, 2000
Authors R. G. Gratton, C. Sneden, E. Carretta, A. Bragaglia

Get more information of this paper.

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
1995-05 N/A CESESO 50000 80-150 N/A N/A
1995-11 N/A CESESO 50000 80-150 N/A N/A
1995-11 N/A MCDONALD 60000 70-100 N/A N/A
Galactic Longitude (l) 029.49
Galactic Latitude (b) -79.73
Declination -271618
Right Ascension 000515.3

Photometric data

V 9.06
B-V 0.692

Atmospheric data

Teff 5359
log g 2.52
vturb 1.60

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Li I...-0.660.940.50
O I...-1.000.607.87
Na...-1.210.395.12
Fe I...-1.60...5.90
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0052

Title The Hamburg/ESO R-process enhanced star survey (HERES). II. Spectroscopic analysis of the survey sample
ADS P.S.Barklem et al.,AAP, 439, 129, 2005
Authors P. S. Barklem, N. Christlieb, T. C. Beers, V. Hill, M. S. Bessell, J. Holmberg, B. Marsteller, S. Rossi, F. -J. Zickgraf, D. Reimers

Get more information of this paper.

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A N/A VLT 20000 113 N/A -57.5

Photometric data

V 9.07

Atmospheric data

Teff 5445
log g 2.39
vturb 2.30

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-2.08+-0.24-0.34+-0.276.47+-0.24
Mg I...-1.41+-0.240.17+-0.246.17+-0.18
Al I...-2.40+-0.23-0.82+-0.254.07+-0.23
Ca I...-1.34+-0.200.24+-0.255.02+-0.20
Sc II...-1.46+-0.240.12+-0.241.71+-0.23
Ti...-1.38+-0.220.20+-0.223.64+-0.21
V...-1.61+-0.23-0.03+-0.232.39+-0.20
Cr I...-1.80+-0.26-0.22+-0.243.87+-0.26
Mn I...-1.94+-0.23-0.36+-0.233.45+-0.19
Fe...-1.58+-0.200.00+-0.225.92+-0.20
Co I...-1.50+-0.220.08+-0.243.42+-0.22
Ni I...-1.67+-0.25-0.09+-0.254.58+-0.28
Zn I...-1.57+-0.250.01+-0.253.03+-0.20
Sr...-1.46+-0.240.12+-0.241.51+-0.22
Y II...-1.62+-0.23-0.04+-0.230.62+-0.22
Zr II...-1.20+-0.240.38+-0.241.40+-0.22
Ba II...-1.27+-0.200.31+-0.230.86+-0.20
La II...-1.25+-0.240.33+-0.24-0.08+-0.22
Ce II...-1.33+-0.260.25+-0.260.25+-0.24
Nd II...-1.24+-0.240.34+-0.240.26+-0.23
Sm II...-1.00+-0.250.58+-0.250.01+-0.23
Eu II...-0.78+-0.240.80+-0.24-0.27+-0.23
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0074

Title Oxygen Abundances in Metal-poor Stars
ADS J.P.Fulbright et al.,ApJ, 595, 1154, 2003
Authors J. P. Fulbright, J. A. Johnson

Get more information of this paper.

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2001-10-01 N/A GECKOCFHT 130000 145 1800 N/A
2002-01-06 N/A MAYALLKPNO 40000 100 1800 N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Photometric data

V 9.04
B-V 0.68
V-K 1.79
EB-V 0.01

Atmospheric data

Teff 5375
log g 2.41
vturb 1.9

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
O I...-1.09+-0.070.34+-0.077.6+-0.1
Fe...-1.43...6.07
Fe I...-1.47+-0.07...6.03+-0.07
Fe II...-1.41+-0.04...6.09+-0.04
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0138

Title Spectroscopic Binaries, Velocity Jitter, and Rotation in Field Metal-poor Red Giant and Red Horizontal-Branch Stars
ADS B.W.Carney et al.,AJ, 125, 293, 2003
Authors B. W. Carney, D. W. Latham, R. P. Stefanik, J. B. Laird, J. A. Morse

Get more information of this paper.

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A 2446006.67547 MMT N/A N/A N/A -57.75+-0.43
N/A 2446361.77031 TILLINGHAST N/A N/A N/A -56.78+-0.38
N/A 2446369.79985 TILLINGHAST N/A N/A N/A -56.58+-0.34
N/A 2446393.62169 MMT N/A N/A N/A -58.04+-0.49
N/A 2446398.57495 MMT N/A N/A N/A -57.44+-0.36
N/A 2446725.71814 MMT N/A N/A N/A -57.31+-0.42
N/A 2447044.86526 TILLINGHAST N/A N/A N/A -56.77+-0.36
N/A 2447345.98195 MMT N/A N/A N/A -57.01+-0.36
N/A 2447696.97977 MMT N/A N/A N/A -57.25+-0.35
N/A 2448141.87887 TILLINGHAST N/A N/A N/A -57.03+-0.42
N/A 2449195.95998 TILLINGHAST N/A N/A N/A -57.25+-0.48
N/A 2449265.79665 TILLINGHAST N/A N/A N/A -56.87+-0.46
N/A 2450647.99077 MMT N/A N/A N/A -57.34+-0.41
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination -271618
Right Ascension 000515.3

Binarity

Vrad -57.18

Photometric data

V-K 1.825

Atmospheric data

Teff 5350
log g 2.5

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Fe...-1.66...5.84
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)