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

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+-0.2<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+-0.1-0.54+-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)

Binarity

Binarity Positive

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

Photometric data

V : 14.09 EB-V : 0.018

BPS CS22949-037 as HE2323-0256

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+-0.32.16+-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)

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

HE0132-2429

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+-0.2<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+-0.10.61+-0.102.05+-0.10
Ti II...-3.16+-0.10.39+-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)

Binarity

Binarity Positive

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

Photometric data

V : 14.82 EB-V : 0.012

HE1012-1540

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)

Binarity

Binarity Positive

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

Photometric data

V : 14.04 EB-V : 0.070

HE1300+0157

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+-0.10.32+-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+-0.2<-0.63+-0.20<-1.89+-0.20
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

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

HE1347-1025

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)

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

HE1356-0622

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)

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

HE1424-0241

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)

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