HE1219-0312

taken from 4 paper(s):

/P.S.Barklem et al.(2005)/ /I.U.Roederer et al.(2009)/ /L.Zhang et al.(2011)/ /C.J.Hansen et al.(2012)/


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 : 5140 log g : 2.40 vturb : 1.54

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...-0.08+-0.285.51+-0.26-2.92+-0.26-0.12+-0.285.51+-0.26CH
Mg I4...0.04+-0.244.82+-0.19-2.78+-0.190.02+-0.244.82+-0.19Mg I
Al I1...-1.11+-0.262.56+-0.24-3.89+-0.24-1.09+-0.262.56+-0.24Al I
Ca I6...-0.03+-0.253.53+-0.20-2.81+-0.20-0.01+-0.253.53+-0.20Ca I
Sc II4...-0.07+-0.250.31+-0.23-2.84+-0.23-0.04+-0.250.31+-0.23Sc II
Ti9...-0.01+-0.242.21+-0.21-2.74+-0.210.06+-0.242.21+-0.21Ti
Cr I3...-0.52+-0.242.35+-0.23-3.29+-0.23-0.49+-0.242.35+-0.23Cr I
Mn I3...-0.49+-0.442.10+-0.42-3.33+-0.42-0.53+-0.442.10+-0.42Mn I
Fe44...0.00+-0.224.70+-0.18-2.80+-0.180.00+-0.224.70+-0.18Fe
Co I4...0.02+-0.252.14+-0.22-2.85+-0.22-0.05+-0.252.14+-0.22Co I
Ni I4...-0.05+-0.263.41+-0.26-2.81+-0.26-0.01+-0.263.41+-0.26Ni I
Sr2...0.20+-0.270.38+-0.27-2.49+-0.270.31+-0.270.38+-0.27Sr
Y II4...0.29+-0.26-0.27+-0.24-2.48+-0.240.32+-0.26-0.27+-0.24Y II
Zr II1...0.65+-0.260.45+-0.23-2.13+-0.230.67+-0.260.45+-0.23Zr II
Ba II1...0.51+-0.33-0.16+-0.35-2.34+-0.350.46+-0.33-0.16+-0.35Ba II
La II4...0.91+-0.26-0.72+-0.23-1.82+-0.230.98+-0.26-0.72+-0.23La II
Nd II2...0.98+-0.26-0.31+-0.23-1.73+-0.231.07+-0.26-0.31+-0.23Nd II
Eu II3...1.41+-0.26-0.87+-0.23-1.39+-0.231.41+-0.26-0.87+-0.23Eu II

Position

Right Ascension : 12 21 34.14 Declination : -03 28 39.6 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 46 N/A 163.6

I.U.Roederer et al.,ApJ, 698, 1963, 2009(ADS)

The End of Nucleosynthesis: Production of Lead and Thorium in the Early Galaxy


Stellar Parameters

Teff : 5060 log g : 2.30 vturb : 1.60

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
FeN/A-2.97......-2.97...4.53Fe
La IIN/A......-0.75+-0.07-1.85+-0.071.12+-0.07-0.75+-0.07La II
Eu IIN/A......-0.98+-0.05-1.50+-0.051.47+-0.05-0.98+-0.05Eu II
Er IIN/A......-0.49+-0.05-1.41+-0.051.56+-0.05-0.49+-0.05Er II
Hf IIN/A......<-0.89<-1.60<1.37<-0.89Hf II
Ir IN/A......-0.19+-0.25-1.57+-0.251.40+-0.25-0.19+-0.25Ir I
Pb IN/A......<+0.53<-1.51<1.46<+0.53Pb I
Th IIN/A......-1.19+-0.21-1.25+-0.211.72+-0.21-1.19+-0.21Th II

Isotopic Ratio

12C/13C >15

Position

Right Ascension : 12 21 34.14 Declination : -03 28 39.6 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 71000 N/A N/A N/A

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-2.630.185.89-2.540.275.89C
FeN/A-2.81......-2.81...4.69Fe

Position

Right Ascension : 12 21 34.14 Declination : -03 28 39.6 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

C.J.Hansen et al.,AAP, 545, A31, 2012(ADS)

Silver and palladium help unveil the nature of a second r-process


Stellar Parameters

Teff : 4600+-100 log g : 1.05+-0.25 vturb : 1.4+-0.15

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
FeN/A-3.21+-0.15......-3.21+-0.15...4.29+-0.15Fe
SrN/A...0.01+-0.13...-3.20+-0.130.01+-0.13-0.33+-0.13Sr
YN/A...-0.19+-0.21...-3.40+-0.21-0.19+-0.21-1.19+-0.21Y
ZrN/A...0.19+-0.14...-3.02+-0.140.19+-0.14-0.44+-0.14Zr
BaN/A...0.70+-0.20...-2.51+-0.200.70+-0.20-0.33+-0.20Ba

Position

Right Ascension : 12 21 34.14 Declination : -03 28 39.6 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 40000 >100 N/A N/A