HE0454-4758

taken from 3 paper(s):

/P.S.Barklem et al.(2005)/ /L.Zhang et al.(2011)/ /I.U.Roederer et al.(2014)/


P.S.Barklem et al.,AAP, 439, 129, 2005(ADS)

The Hamburg/ESO R-process enhanced star survey (HERES). II. Spectroscopic analysis of the survey sample


Stellar Parameters

Teff : 5388 log g : 3.33 vturb : 1.49

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
CH1...0.44+-0.275.72+-0.25-2.71+-0.250.39+-0.275.72+-0.25CH
Mg I4...0.29+-0.264.77+-0.20-2.83+-0.200.27+-0.264.77+-0.20Mg I
Al I1...-0.94+-0.262.43+-0.24-4.02+-0.24-0.92+-0.262.43+-0.24Al I
Ca I6...0.28+-0.253.54+-0.20-2.80+-0.200.30+-0.253.54+-0.20Ca I
Sc II2...0.11+-0.250.18+-0.23-2.97+-0.230.13+-0.250.18+-0.23Sc II
Ti10...0.32+-0.242.24+-0.21-2.71+-0.210.39+-0.242.24+-0.21Ti
Cr I2...-0.35+-0.232.22+-0.21-3.42+-0.21-0.32+-0.232.22+-0.21Cr I
Mn I3...-0.70+-0.231.59+-0.21-3.84+-0.21-0.74+-0.231.59+-0.21Mn I
Fe39...0.00+-0.224.40+-0.18-3.10+-0.180.00+-0.224.40+-0.18Fe
Co I5...0.33+-0.242.15+-0.21-2.84+-0.210.26+-0.242.15+-0.21Co I
Ni I4...0.07+-0.233.22+-0.21-3.00+-0.210.10+-0.233.22+-0.21Ni I
Sr2...-0.36+-0.28-0.49+-0.28-3.36+-0.28-0.26+-0.28-0.49+-0.28Sr
Y II1...-0.11+-0.26-0.97+-0.24-3.18+-0.24-0.08+-0.26-0.97+-0.24Y II
Ba II1...-0.69+-0.26-1.66+-0.23-3.84+-0.23-0.74+-0.26-1.66+-0.23Ba II

Position

Right Ascension : 04 55 26.71 Declination : -47 53 41.8 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 20000 77 N/A 240.5

L.Zhang et al.,AAP, 528, A92, 2011(ADS)

The Hamburg/ESO R-process Enhanced Star survey (HERES). VI. The Galactic chemical evolution of silicon


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-2.650.455.87-2.560.545.87C
FeN/A-3.10......-3.10...4.40Fe

Position

Right Ascension : 04 55 26.71 Declination : -47 53 41.8 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 20000 N/A N/A N/A

I.U.Roederer et al.,AJ, 147, 136, 2014(ADS)

A SEARCH FOR STARS OF VERY LOW METAL ABUNDANCE. VI. DETAILED ABUNDANCES OF 313 METAL-POOR STARS


Stellar Parameters

Teff : 5140+-40 log g : 2.4+-0.18 vturb : 1.35+-0.06

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......0.95-2.311.070.95Li I
CH1...0.27+-0.255.38-3.050.33+-0.255.38CH
NH1...0.20+-0.364.71-3.120.26+-0.364.71NH
O I3...<1.09<6.40<-2.29<1.09<6.40O I
Na I1...-0.12+-0.172.74-3.50-0.12+-0.172.74Na I
Mg I7...0.54+-0.154.76-2.840.54+-0.154.76Mg I
Al I1...-0.79+-0.212.28-4.17-0.79+-0.212.28Al I
Ca I12...0.46+-0.173.42-2.920.46+-0.173.42Ca I
Sc II6...-0.21+-0.16-0.38-3.53-0.15+-0.16-0.38Sc II
Ti I6...0.31+-0.151.88-3.070.31+-0.151.88Ti I
Ti II19...0.14+-0.151.77-3.180.20+-0.151.77Ti II
V I1...0.05+-0.220.60-3.330.05+-0.220.60V I
Cr I6...-0.22+-0.162.04-3.60-0.22+-0.162.04Cr I
Mn I3...-0.44+-0.141.61-3.82-0.44+-0.141.61Mn I
Mn II4...-0.42+-0.211.69-3.74-0.36+-0.211.69Mn II
Fe I111-3.38+-0.15...4.12-3.38+-0.15...4.12Fe I
Fe II6-3.32+-0.16...4.18-3.32+-0.16...4.18Fe II
Co I6...0.12+-0.191.73-3.260.12+-0.191.73Co I
Ni I7...0.13+-0.212.97-3.250.13+-0.212.97Ni I
Zn I2...<0.74<1.92<-2.64<0.74<1.92Zn I
Rb I1...<2.76<1.90<-0.46<2.92<1.90Rb I
Sr II2...-0.42+-0.17-0.87-3.74-0.36+-0.17-0.87Sr II
Y II2...-0.71+-0.25-1.81-4.02-0.64+-0.25-1.81Y II
Nb II1...<2.36<0.50<-0.96<2.42<0.50Nb II
Mo I1...<1.47<-0.03<-1.91<1.47<-0.03Mo I
Ba II1...-0.94+-0.15-2.08-4.26-0.88+-0.15-2.08Ba II
La II4...<0.44<-1.78<-2.88<0.50<-1.78La II
Ce II4...<0.70<-1.04<-2.62<0.76<-1.04Ce II
Pr II3...<1.02<-1.58<-2.30<1.08<-1.58Pr II
Nd II5...<0.62<-1.28<-2.70<0.68<-1.28Nd II
Sm II1...<1.34<-1.02<-1.98<1.40<-1.02Sm II
Eu II4...<0.40<-2.40<-2.92<0.46<-2.40Eu II
Gd II3...<1.48<-0.77<-1.84<1.54<-0.77Gd II
Tb II4...<1.46<-1.56<-1.88<1.50<-1.56Tb II
Dy II3...<0.76<-1.46<-2.56<0.82<-1.46Dy II
Ho II1...<1.11<-1.73<-2.20<1.18<-1.73Ho II
Er II3...<1.05<-1.35<-2.27<1.11<-1.35Er II
Tm II2...<1.49<-1.73<-1.85<1.53<-1.73Tm II
Yb II1...<0.23<-2.17<-3.09<0.29<-2.17Yb II
Hf II2...<1.94<-0.53<-1.24<2.14<-0.53Hf II
Pb I1...<2.08<0.74<-1.30<2.08<0.74Pb I

Binary Parameters

Binarity Negative
Vrad 240.2

Position

Right Ascension : 04 55 26.71 Declination : -47 53 41.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-09-11-09:35 2454720.9 MIKELCO 41000 85-195 3000 240.2