HE1327-2326

taken from 5 paper(s):

/W.Aoki et al.(2006)/ /A.Frebel et al.(2006)/ /A.Frebel et al.(2008)/ /A.Arentsen et al.(2019)/ /R.Ezzeddine et al.(2019)/

W.Aoki et al.,ApJ, 639, 897, 2006(ADS)

HE 1327-2326, an Unevolved Star with [Fe/H]<-5.0. I. A Comprehensive Abundance Analysis


Stellar Parameters

Teff : 6180 log g : 3.7 vturb : 1.7

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
Li I1......<1.5<-1.76<3.95<1.5Li I
CH3-1.40+-0.244.26+-0.246.99+-0.24-1.44+-0.244.27+-0.246.99+-0.24CH
NH1-1.10+-0.304.56+-0.306.83+-0.30-1.00+-0.304.71+-0.306.83+-0.30NH
OH1<-1.66<4.0...<-1.69<4.02<7.00OH
Na I2-3.11+-0.082.55+-0.083.06+-0.08-3.18+-0.082.53+-0.083.06+-0.08Na I
Mg I4-3.90+-0.071.76+-0.073.63+-0.07-3.97+-0.071.74+-0.073.63+-0.07Mg I
Al I1-4.33+-0.091.33+-0.092.04+-0.09-4.41+-0.091.30+-0.092.04+-0.09Al I
Ca I1-5.36+-0.170.30+-0.170.95+-0.17-5.39+-0.170.32+-0.170.95+-0.17Ca I
Ca II1-4.790.871.52-4.820.891.52Ca II
Ti II2-5.14+-0.200.52+-0.20-0.24+-0.20-5.19+-0.200.52+-0.20-0.24+-0.20Ti II
Cr IN/A<-4.55<1.11<1.09<-4.55<1.16<1.09Cr I
Mn IN/A<-4.52<1.14<0.87<-4.56<1.15<0.87Mn I
Fe I4-5.66+-0.15...1.79+-0.15-5.71+-0.15...1.79+-0.15Fe I
Fe IIN/A<-4.44<1.22<3.01<-4.49<1.22<3.01Fe II
Co IN/A<-3.58<2.08<1.34<-3.65<2.06<1.34Co I
Ni IN/A<-5.07<0.59<1.16<-5.06<0.65<1.16Ni I
Zn IN/A<-2.49<3.07<2.02<-2.54<3.17<2.02Zn I
Sr II2-4.69+-0.130.97+-0.13-1.77+-0.13-4.64+-0.131.07+-0.13-1.77+-0.13Sr II
Ba II1<-4.20<1.46<-2.06<-4.24<1.47<-2.06Ba II

Isotopic Ratio

12C/13C >5

Binary Parameters

Vrad 63.88

Position

Right Ascension : 13 30 05.95 Declination : -23 41 49.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-05-30-7:04 N/A SUBARUHDS 60000 20-260 30
2004-05-31-6:17 N/A SUBARUHDS 60000 20-260 150 63.88
2004-06-02-5:43 N/A SUBARUHDS 60000 20-260 240 63.50
2004-06-27-6:03 N/A SUBARUHDS 60000 20-260 150 63.64
2005-02-27-12:48 N/A SUBARUHDS 60000 20-260 30 63.62
2005-06-17-5:46 N/A SUBARUHDS 60000 20-260 15 63.45

A.Frebel et al.,ApJ, 638, L17, 2006(ADS)

The Oxygen Abundance of HE 1327-2326


Stellar Parameters

Teff : 6180 log g : 3.7

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
CHN/A-1.5+-0.24.0+-0.26.9+-0.2-1.53+-0.24.27+-0.26.9+-0.2CH
O IN/A<-2.5<3.1<6.2<-2.49<3.31<6.2O I
[O I]N/A<-0.4<5.1<8.3<-0.39<5.41<8.3[O I]
OHN/A-1.8+-0.23.7+-0.26.8+-0.2-1.89+-0.23.91+-0.26.8+-0.2OH
Fe IN/A-5.7+-0.2...1.7+-0.2-5.80+-0.2...1.7+-0.2Fe I

Position

Right Ascension : 13 30 05.95 Declination : -23 41 49.7 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 VLT 70000 40 64800 N/A

A.Frebel et al.,ApJ, 684, 588, 2008(ADS)

HE 1327-2326, an Unevolved Star with [Fe/H]<-5.0. II. New 3D-1D Corrected Abundances from a Very Large Telescope UVES Spectrum


Stellar Parameters

Teff : 6180 log g : 3.7 vturb : 2.0

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
Li I1......<0.70<-2.56<3.15<0.70Li I
Be II1......<-1.20<-2.58<3.13<-1.20Be II
CHsyn......6.90-1.534.186.90CH
NHsyn......6.79-1.044.676.79NH
OHsyn......6.84-1.853.866.84OH
Na I2......2.99-3.252.462.99Na I
Mg I4......3.54-4.061.653.54Mg I
Al I1......1.90-4.551.161.90Al I
Ca I1......0.88-5.460.250.88Ca I
Ca II4......1.34-5.000.711.34Ca II
Sc II1......<-1.68<-4.83<0.88<-1.68Sc II
Ti II15......-0.09-5.040.67-0.09Ti II
V I1......<1.50<-2.43<3.28<1.50V I
Cr I1......<0.45<-5.19<0.52<0.45Cr I
Mn I1......<0.84<-4.59<1.12<0.84Mn I
Fe I12......1.79-5.71...1.79Fe I
Fe II1......<1.99<-5.51...<1.99Fe II
Co I1......<0.58<-4.41<1.30<0.58Co I
Ni I4......0.73-5.490.220.73Ni I
Zn I1......<1.61<-2.95<2.76<1.61Zn I
Sr II2......-1.76-4.631.08-1.76Sr II
Ba II1......<-2.14<-4.32<1.39<-2.14Ba II
Eu II1......<-0.76<-1.28<4.43<-0.76Eu II

Position

Right Ascension : 13 30 05.95 Declination : -23 41 49.7 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 70000 170-750 N/A N/A

A.Arentsen et al.,AAP, 621, A108, 2019(ADS)

Binarity among CEMP-no stars: an indication of multiple formation pathways?


Stellar Parameters

Teff : 6180 log g : 3.7

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...4.186.9-1.534.186.9C
FeN/A-5.71......-5.71...1.79Fe
BaN/A...<1.39...<-4.32<1.39<-2.14Ba

Binary Parameters

Binarity Negative
Vrad 64.38+-1.30

Position

Right Ascension : 13 30 05.9 Declination : -23 41 50 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2014-05-03-180000 2456781.25 SALTHRS 16000 N/A N/A 65.35+-1.6
2015-02-07-000000 2457060.5 SALTHRS 16000 N/A N/A 64.15+-1.35
2015-04-28-004311 2457140.53 SALTHRS 16000 N/A N/A 67.86+-3.52

R.Ezzeddine et al.,ApJ, 876, 97, 2019(ADS)

Evidence for an Aspherical Population III Supernova Explosion Inferred from the Hyper-metal-poor Star HE 1327-2326


Stellar Parameters

Teff : 6180+-80 log g : 3.7+-0.2 vturb : 1.7

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
CHN/A-2.22+-0.13.49+-0.1...-2.22+-0.13.49+-0.16.21+-0.1CH
NHN/A-1.73+-0.23.98+-0.2...-1.73+-0.23.98+-0.26.10+-0.2NH
OHN/A-2.57+-0.23.14+-0.2...-2.57+-0.23.14+-0.26.12+-0.2OH
Na I2-3.25+-0.042.46+-0.042.99+-0.04-3.25+-0.042.46+-0.042.99+-0.04Na I
Mg I4-4.06+-0.021.65+-0.023.54+-0.02-4.06+-0.021.65+-0.023.54+-0.02Mg I
Al I1-4.55+-0.031.16+-0.031.9+-0.03-4.55+-0.031.16+-0.031.9+-0.03Al I
Si I1-4.71+-0.271.28+-0.272.8+-0.27-4.71+-0.271.00+-0.272.8+-0.27Si I
Ca II4-5+-0.150.71+-0.151.34+-0.15-5.00+-0.150.71+-0.151.34+-0.15Ca II
Sc IIN/A<-4.83<0.88<-1.68<-4.83<0.88<-1.68Sc II
Ti II15-5.04+-0.170.67+-0.17-0.09+-0.17-5.04+-0.170.67+-0.17-0.09+-0.17Ti II
Mn IN/A<-4.90<0.81<0.53<-4.90<0.81<0.53Mn I
Fe I10-5.71+-0.15...1.79+-0.15-5.71+-0.15...1.79+-0.15Fe I
Fe II4-5.99+-0.26...1.51+-0.26-5.99+-0.26...1.51+-0.26Fe II
Co IN/A<-4.41<1.30<0.58<-4.41<1.30<0.58Co I
Ni I4-5.49+-0.20.33+-0.20.73+-0.2-5.49+-0.20.22+-0.20.73+-0.2Ni I
Zn I1-4.4+-0.250.8+-0.250.16+-0.25-4.40+-0.251.31+-0.250.16+-0.25Zn I
Sr II2-4.63+-0.061.08+-0.06-1.76+-0.06-4.63+-0.061.08+-0.06-1.76+-0.06Sr II

Position

Right Ascension : 13 30 05.93 Declination : -23 41 49.69 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2016-05 N/A COSHST N/A N/A 80400 N/A