A0187

Bibliography Data

Title New Extremely Metal-Poor Stars in the Galactic Halo
ADS J.G.Cohen et al.,ApJ, 672, 320, 2008
Authors J. G. Cohen, N. Christlieb, A. McWilliam, S. Shectman, I. Thompson, J. Melendez, L. Wisotzki, D. Reimers

List of objects

Object Comment S O
BPS BS16467-062 N/A S O
BPS CS22949-037 N/A S O
HE0132-2429 N/A S O
HE1012-1540 N/A S O
HE1300+0157 N/A S O
HE1347-1025 N/A S O
HE1356-0622 N/A S O
HE1424-0241 N/A S O

S: Find this object in SIMBAD
O: Find this object in Other papers

BPS BS16467-062

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2452064.55 -90.6+-0.1
2452095.45 -90.5+-0.1
2453490.02 KECKHIRES 46000 100 3600 -91.7+-0.1
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination +174848
Right Ascension 134200.6

Binarity

Binarity Positive

Photometric data

V 14.09
EB-V 0.018

Atmospheric data

Teff 5364
log g 2.95
vturb 1.6

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-2.990.485.60
NH...<-2.93<0.54<5.00
OH...<-1.68+-0.20<1.79+-0.20<7.15+-0.20
Na I...-4.07+-0.07-0.60+-0.072.25+-0.07
Mg I...-3.16+-0.330.31+-0.334.37+-0.33
Al I...-3.75+-0.18-0.28+-0.182.72+-0.18
Si I...-3.200.274.35
Ca I...-3.35+-0.120.12+-0.123.00+-0.12
Ca II...-3.49-0.022.87
Sc II...-3.31+-0.030.16+-0.03-0.22+-0.03
Ti I...-3.19+-0.090.28+-0.091.80+-0.09
Ti II...-3.27+-0.120.20+-0.121.72+-0.12
V II...-3.19+-0.140.28+-0.140.81+-0.14
Cr I...-4.01+-0.10-0.54+-0.101.65+-0.10
Mn I...-4.32+-0.04-0.85+-0.041.06+-0.04
Mn II...-3.95+-0.07-0.48+-0.071.44+-0.07
Fe I...-3.47+-0.19...3.98+-0.19
Fe II...-3.43+-0.160.04+-0.164.01+-0.16
Co I...-2.79+-0.280.68+-0.282.12+-0.28
Ni I...-3.32+-0.040.15+-0.042.93+-0.04
Cu I...-4.22+-0.01-0.75+-0.01-0.01+-0.01
Zn I...<-2.51+-0.12<0.96+-0.12<2.09+-0.12
Sr II...-5.22-1.75-2.32
Ba II...<-4.03+-0.72<-0.56+-0.72<-1.91+-0.72
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)


BPS CS22949-037 as HE2323-0256

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2451764.73 -125.6+-0.1
2452158.73 -125.6+-0.1
2452544.90 KECKHIRES 46000 100 7200 -125.9+-0.1
2453312.76 KECKHIRES 46000 100 7200 -125.9+-0.1
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination -023958
Right Ascension 232629.8

Photometric data

V 14.41
EB-V 0.051

Atmospheric data

Teff 4915
log g 1.70
vturb 2.0

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-2.820.975.77
NH...-1.63+-0.302.16+-0.306.30+-0.30
OH...-1.831.967.20
Na I...-2.34+-0.111.45+-0.113.98+-0.11
Mg I...-2.32+-0.251.47+-0.255.22+-0.25
Al I...-3.310.483.16
Si I...-3.230.564.32
Ca I...-3.48+-0.110.31+-0.112.88+-0.11
Ca II...-3.710.082.65
Sc II...-3.670.12-0.56
Ti I...<-3.33<0.46<1.66
Ti II...-3.52+-0.060.27+-0.061.47+-0.06
V II...-3.70+-0.030.09+-0.030.30+-0.03
Cr I...-4.33+-0.15-0.54+-0.151.34+-0.15
Mn I...-4.76+-0.03-0.97+-0.030.63+-0.03
Mn II...-4.22+-0.01-0.43+-0.011.17+-0.01
Fe I...-3.79+-0.16...3.66+-0.16
Fe II...-3.73+-0.180.06+-0.183.72+-0.18
Co I...-3.37+-0.180.42+-0.181.55+-0.18
Ni I...-4.05+-0.04-0.26+-0.042.20+-0.04
Cu I...-4.57-0.78-0.36
Sr II...-3.61+-0.020.18+-0.02-0.71+-0.02
Ba II...-4.45+-0.23-0.66+-0.23-2.32+-0.23
Eu II...<-3.06<0.73<-2.55
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)


HE0132-2429

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2451811.96 KECKHIRES 46000 95 7200 +296.0+-0.1
2453243.00 KECKHIRES 46000 95 7200 +289.5+-0.2
2453289.89 KECKHIRES 46000 95 7200 +289.2+-0.1
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination -242418
Right Ascension 013458.8

Binarity

Binarity Positive

Photometric data

V 14.82
EB-V 0.012

Atmospheric data

Teff 5294
log g 2.75
vturb 1.8

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-2.930.625.66
NH...-2.481.075.45
OH...<-1.88+-0.20<1.67+-0.20<6.95+-0.20
Na I...-3.86+-0.09-0.31+-0.092.46+-0.09
Mg I...-3.15+-0.150.40+-0.154.39+-0.15
Al I...-3.74+-0.17-0.19+-0.172.74+-0.17
Si I...-2.980.574.57
Ca I...-3.28+-0.150.27+-0.153.08+-0.15
Ca II...-3.550.002.81
Sc II...-2.80+-0.050.75+-0.050.31+-0.05
Ti I...-2.94+-0.100.61+-0.102.05+-0.10
Ti II...-3.16+-0.100.39+-0.101.84+-0.10
V II...-3.190.360.81
Cr I...-3.98+-0.12-0.43+-0.121.69+-0.12
Mn I...-4.45+-0.02-0.90+-0.020.94+-0.02
Mn II...-4.03+-0.16-0.48+-0.161.37+-0.16
Fe I...-3.55+-0.18...3.90+-0.18
Fe II...-3.60+-0.18-0.05+-0.183.85+-0.18
Co I...-3.00+-0.180.55+-0.181.92+-0.18
Ni I...-3.59+-0.06-0.04+-0.062.67+-0.06
Cu I...-4.40+-0.06-0.85+-0.06-0.18+-0.06
Zn I...<-2.71<0.84<1.89
Sr II...-3.50+-0.060.05+-0.06-0.60+-0.06
Y II...<-3.22<0.33<-0.98
Ba II...-4.40+-0.04-0.85+-0.04-2.27+-0.04
Eu II...<-2.37+-0.18<1.18+-0.18<-1.86+-0.18
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)


HE1012-1540

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2452396.82 KECKHIRES 46000 109 3600 +226.3+-0.4
2453489.77 KECKHIRES 46000 109 3600 +224.8+-0.1
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination -155554
Right Ascension 101453.5

Binarity

Binarity Positive

Photometric data

V 14.04
EB-V 0.070

Atmospheric data

Teff 5620
log g 3.40
vturb 1.6

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-1.212.227.38
NH...-2.181.255.75
OH...-1.18+-0.252.25+-0.257.65+-0.25
Na I...-2.22+-0.071.21+-0.074.11+-0.07
Mg I...-1.55+-0.441.88+-0.445.99+-0.44
Al I...-2.500.933.97
Si I...-2.361.075.20
Ca I...-2.86+-0.160.57+-0.163.50+-0.16
Ca II...-3.77-0.342.59
Ti I...<-2.68<0.75<2.31
Ti II...-3.46+-0.12-0.03+-0.121.53+-0.12
Cr I...-3.76+-0.09-0.33+-0.091.91+-0.09
Mn I...-3.98+-0.01-0.55+-0.011.41+-0.01
Mn II...-4.43-1.000.96
Fe I...-3.43+-0.17...4.02+-0.17
Fe II...-3.71+-0.35-0.28+-0.353.75+-0.35
Co I...-3.240.191.68
Ni I...-3.75+-0.09-0.32+-0.092.50+-0.09
Cu I...-4.06-0.630.15
Sr II...-3.97-0.54-1.07
Ba II...-3.72+-0.02-0.29+-0.02-1.58+-0.02
Eu II...<-1.81<1.62<-1.30
Pb I...<-0.50<2.93<1.46
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)


HE1300+0157

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2452830.50 +73.6+-2.0
2453157.74 +74.6+-0.6
2453432.01 +74.6+-0.6
2453843.87 KECKHIRES 35000 >110 3600 +73.4+-0.1
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination +014151
Right Ascension 130256.3

Photometric data

V 14.11
EB-V 0.022

Atmospheric data

Teff 5632
log g 3.37
vturb 1.3

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-2.161.236.43
NH...<-2.68<0.71<5.25
OH...-1.70+-0.181.69+-0.187.13+-0.18
Na I...-3.88+-0.07-0.49+-0.072.44+-0.07
Mg I...-3.07+-0.100.32+-0.104.47+-0.10
Al I...-3.63-0.242.83
Si I...-2.900.494.64
Ca I...-3.13+-0.130.26+-0.133.23+-0.13
Ca II...-3.290.103.07
Sc II...-3.220.17-0.12
Ti II...-3.27+-0.060.12+-0.061.72+-0.06
Cr I...-3.92+-0.07-0.53+-0.071.74+-0.07
Mn I...-4.25+-0.02-0.86+-0.021.13+-0.02
Mn II...-4.05+-0.16-0.66+-0.161.33+-0.16
Fe I...-3.39+-0.19...4.06+-0.19
Fe II...-3.55+-0.11-0.16+-0.113.90+-0.11
Co I...-3.00+-0.080.39+-0.081.92+-0.08
Ni I...-3.41+-0.06-0.02+-0.062.83+-0.06
Cu I...-4.07+-0.02-0.68+-0.020.13+-0.02
Sr II...-4.94-1.55-2.05
Ba II...<-4.02+-0.20<-0.63+-0.20<-1.89+-0.20
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)


HE1347-1025

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2453149.8 KECKHIRES 35000 80 3600 +48.6+-0.5
2454198.92 KECKHIRES 35000 80 3600 +49.4+-0.1
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination -104019
Right Ascension 135022.4

Photometric data

V 15.06
EB-V 0.058

Atmospheric data

Teff 5195
log g 2.50
vturb 1.8

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-3.330.155.26
Na I...-3.90+-0.08-0.42+-0.082.42+-0.08
Mg I...-2.99+-0.220.49+-0.224.55+-0.22
Al I...-3.50+-0.17-0.02+-0.172.97+-0.17
Si I...-3.07+-0.230.41+-0.234.48+-0.23
Ca I...-3.12+-0.180.36+-0.183.24+-0.18
Sc II...-3.48+-0.120.00+-0.12-0.38+-0.12
Ti I...<-2.86+-0.09<0.62+-0.09<2.13+-0.09
Ti II...-3.22+-0.110.26+-0.111.77+-0.11
V I...<-2.79<0.69<1.21
Cr I...-4.00+-0.11-0.52+-0.111.67+-0.11
Mn I...-4.36+-0.04-0.88+-0.041.03+-0.04
Fe I...-3.48+-0.22...3.97+-0.22
Fe II...-3.28+-0.190.20+-0.194.17+-0.19
Co I...-3.00+-0.190.48+-0.191.92+-0.19
Ni I...-3.67-0.192.58
Zn I...<-2.54+-0.17<0.94+-0.17<2.06+-0.17
Sr II...-4.61+-0.16-1.13+-0.16-1.71+-0.16
Ba II...-4.10+-0.01-0.62+-0.01-1.96+-0.01
Eu II...<-2.09<1.39<-1.58
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)


HE1356-0622

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2453149.89 KECKHIRES 35000 105 3600 +93.5+-0.4
2453989.72 KECKHIRES 35000 105 3600 +94.1+-0.2
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination -063635
Right Ascension 135930.3

Photometric data

V 14.31
EB-V 0.030

Atmospheric data

Teff 4947
log g 1.85
vturb 2.2

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...<-3.54<-0.05<5.06
Na I...-3.18+-0.030.31+-0.033.15+-0.03
Mg I...-2.82+-0.320.67+-0.324.72+-0.32
Al I...-3.62+-0.05-0.13+-0.052.86+-0.05
Si I...-2.68+-0.160.81+-0.164.88+-0.16
Ca I...-3.06+-0.170.43+-0.173.31+-0.17
Sc II...-3.17+-0.170.32+-0.17-0.06+-0.17
Ti I...-3.09+-0.060.40+-0.061.91+-0.06
Ti II...-3.23+-0.070.26+-0.071.76+-0.07
Cr I...-4.01+-0.13-0.52+-0.131.66+-0.13
Mn I...-4.47+-0.02-0.98+-0.020.92+-0.02
Fe I...-3.49+-0.16...3.96+-0.16
Fe II...-3.36+-0.130.13+-0.134.10+-0.13
Co I...-3.25+-0.110.24+-0.111.67+-0.11
Ni I...-3.53+-0.33-0.04+-0.332.72+-0.33
Zn I...<-2.94<0.55<1.66
Sr II...-5.37+-0.08-1.88+-0.08-2.47+-0.08
Y II...<-3.62<-0.13<-1.38
Ba II...-4.68+-0.21-1.19+-0.21-2.54+-0.21
Eu II...<-2.93+-0.18<0.56+-0.18<-2.41+-0.18
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)


HE1424-0241

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2453152.90 KECKHIRES 35000 90 6000 +58.8+-0.6
2453844.96 KECKHIRES 35000 90 6000 +60.4+-0.1
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination -025428
Right Ascension 142640.3

Photometric data

V 15.47
EB-V 0.064

Atmospheric data

Teff 5193
log g 2.50
vturb 1.8

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...<-3.33<0.63<5.26
NH...<-2.83<1.13<5.10
Na I...-4.00+-0.07-0.04+-0.072.32+-0.07
Mg I...-3.51+-0.120.45+-0.124.03+-0.12
Al I...-4.12+-0.15-0.16+-0.152.35+-0.15
Si I...-4.96-1.002.59
Ca I...-4.52-0.561.84
Ca II...-4.26-0.302.10
Sc II...-4.04-0.08-0.94
Ti II...-4.13+-0.17-0.17+-0.170.85+-0.17
V II...<-3.36<0.60<0.64
Cr I...-4.34+-0.09-0.38+-0.091.33+-0.09
Mn I...-4.06+-0.02-0.10+-0.021.33+-0.02
Mn II...-3.77+-0.130.19+-0.131.62+-0.13
Fe I...-3.96+-0.18...3.49+-0.18
Fe II...-3.87+-0.190.09+-0.193.58+-0.19
Co I...-2.93+-0.211.03+-0.211.98+-0.21
Ni I...-3.72+-0.010.24+-0.012.52+-0.01
Cu I...-4.62-0.66-0.41
Sr II...<-5.65+-0.21<-1.69+-0.21<-2.75+-0.21
Y II...<-3.70+-0.19<0.26+-0.19<-1.46+-0.19
Ba II...-4.87-0.91-2.74
Eu II...<-2.46<1.50<-1.95
Dy II...<-2.40<1.56<-1.30
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)