G126-52

taken from 6 paper(s):

/E.Arnone et al.(2005)/ /P.E.Nissen et al.(2007)/ /E.Caffau et al.(2005)/ /D.Fabbian et al.(2009)/ /A.M.Boesgaard et al.(2011)/ /A.M.Amarsi et al.(2019)/

E.Arnone et al.,AAP, 430, 507, 2005(ADS)

Mg abundances in metal-poor halo stars as a tracer of early Galactic mixing


Stellar Parameters

Teff : 6210 log g : 3.8+-0.2 vturb : 1.8

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
Mg I2-2.17+-0.050.27+-0.05...-2.19+-0.050.25+-0.055.41+-0.05Mg I
Ca I2-2.09+-0.00......-2.07+-0.000.37+-0.004.27+-0.00Ca I
Ti I1-2.07......-2.000.442.95Ti I
Cr I1-2.54......-2.51-0.073.13Cr I
Fe I20-2.44+-0.01......-2.44+-0.01...5.06+-0.01Fe I
Fe II1-2.49......-2.49...5.01Fe II

Position

Right Ascension : 22 04 13.38 Declination : +19 32 54.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A ANGLO 40000 >100 N/A N/A

P.E.Nissen et al.,AAP, 469, 319, 2007(ADS)

Sulphur and zinc abundances in Galactic halo stars revisited


Stellar Parameters

Teff : 6396 log g : 4.20 vturb : 1.5

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
S IN/A...0.22...-1.780.435.34S I
FeN/A-2.21......-2.21...5.29Fe
Zn IN/A...0.112.50-2.060.152.50Zn I

Position

Right Ascension : 22 04 13.38 Declination : +19 32 54.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2007-06-25 N/A VLT 60000 N/A N/A N/A

E.Caffau et al.,AAP, 441, 533, 2005(ADS)

Sulphur abundance in Galactic stars


Position

Right Ascension : 22 04 13.38 Declination : +19 32 54.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2452152.61363 VLT 43000 200 N/A N/A

D.Fabbian et al.,AAP, 500, 1143, 2009(ADS)

The C/O ratio at low metallicity:constraints on early chemical evolution from observations of Galactic halo stars


Stellar Parameters

Teff : 6396 log g : 4.20

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
CN/A-1.97...6.42-2.010.256.42C
ON/A-1.51...7.15-1.540.727.15O
FeN/A-2.21......-2.26...5.24Fe

Position

Right Ascension : 22 04 13.38 Declination : +19 32 54.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004 N/A VLT 60000 150-240 N/A N/A

A.M.Boesgaard et al.,ApJ, 743, 140, 2011(ADS)

Beryllium and Alpha-element Abundances in a Large Sample of Metal-poor Stars


Stellar Parameters

Teff : 6182+-100 log g : 3.95+-0.2 vturb : 1.47+-0.2

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
BeN/A...+0.13+-0.15-0.81+-0.12-2.19+-0.120.17+-0.15-0.81+-0.12Be
ON/A-1.67+-0.22+0.69+-0.24...-1.73+-0.220.63+-0.246.96+-0.22O
MgN/A-1.95+-0.07......-1.97+-0.070.39+-0.075.63+-0.07Mg
TiN/A-1.91+-0.09......-1.84+-0.090.52+-0.093.11+-0.09Ti
FeN/A-2.36+-0.09......-2.36+-0.09...5.14+-0.09Fe

Position

Right Ascension : Declination : Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-09-07 N/A KECKHIRES 42000 N/A
2006-06-19 N/A KECKHIRES 42000 121 6600 N/A

A.M.Amarsi et al.,AAP, 622, L4, 2019(ADS)

Carbon and oxygen in metal-poor halo stars


Stellar Parameters

Teff : 6359 log g : 4.16

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
CN/A...0.17...-2.010.176.42C
ON/A...0.64...-1.540.647.15O
FeN/A-2.18......-2.18...5.32Fe

Position

Right Ascension : 22 04 13.38 Declination : +19 32 54.35 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A VLT 60000 15-300 N/A N/A