HE0524-2055

taken from 4 paper(s):

/P.S.Barklem et al.(2005)/ /L.Zhang et al.(2011)/ /J.Ren et al.(2012)/ /C.SiqueiraMello 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 : 4739 log g : 1.57 vturb : 1.95

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...-0.25+-0.285.56+-0.26-2.87+-0.26-0.28+-0.285.56+-0.26CH
Mg I6...0.32+-0.245.32+-0.18-2.28+-0.180.31+-0.245.32+-0.18Mg I
Al I1...-0.29+-0.253.59+-0.24-2.86+-0.24-0.27+-0.253.59+-0.24Al I
Ca I8...0.24+-0.254.01+-0.20-2.33+-0.200.26+-0.254.01+-0.20Ca I
Sc II5...0.05+-0.250.63+-0.23-2.52+-0.230.07+-0.250.63+-0.23Sc II
Ti17...0.21+-0.232.64+-0.21-2.31+-0.210.28+-0.232.64+-0.21Ti
V3...-0.11+-0.241.30+-0.20-2.63+-0.20-0.04+-0.241.30+-0.20V
Cr I3...-0.32+-0.262.77+-0.28-2.87+-0.28-0.28+-0.262.77+-0.28Cr I
Mn I5...-0.45+-0.232.36+-0.20-3.07+-0.20-0.48+-0.232.36+-0.20Mn I
Fe54...0.00+-0.224.91+-0.19-2.59+-0.190.00+-0.224.91+-0.19Fe
Co I6...0.10+-0.242.43+-0.23-2.56+-0.230.03+-0.242.43+-0.23Co I
Ni I4...-0.01+-0.263.66+-0.29-2.56+-0.290.03+-0.263.66+-0.29Ni I
Sr1...0.13+-0.250.51+-0.23-2.36+-0.230.23+-0.250.51+-0.23Sr
Y II6...-0.21+-0.25-0.56+-0.22-2.77+-0.22-0.18+-0.25-0.56+-0.22Y II
Zr II2...0.27+-0.250.28+-0.22-2.30+-0.220.29+-0.250.28+-0.22Zr II
Ba II1...0.07+-0.29-0.39+-0.31-2.57+-0.310.02+-0.29-0.39+-0.31Ba II
La II4...0.08+-0.25-1.33+-0.22-2.43+-0.220.16+-0.25-1.33+-0.22La II
Nd II2...0.20+-0.25-0.89+-0.23-2.31+-0.230.28+-0.25-0.89+-0.23Nd II
Eu II4...0.49+-0.25-1.59+-0.22-2.11+-0.220.48+-0.25-1.59+-0.22Eu II

Position

Right Ascension : 05 27 04.40 Declination : -20 52 42.0 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 66 N/A 255.3

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-2.93-0.355.59-2.84-0.265.59C
FeN/A-2.58......-2.58...4.92Fe

Position

Right Ascension : 05 27 04.40 Declination : -20 52 42.0 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

J.Ren et al.,AAP, 537, A118, 2012(ADS)

The Hamburg/ESO R-process Enhanced Star survey (HERES). VII. Thorium abundances in metal-poor stars


Stellar Parameters

Teff : 4739 log g : 1.57 vturb : 1.95

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...-0.25...-2.70-0.295.73C
FeN/A-2.58......-2.41...5.09Fe
EuN/A...0.49...-2.100.31-1.58Eu
ThN/A...0.58-1.91-1.970.44-1.91Th

Position

Right Ascension : 05 27 04.40 Declination : -20 52 42.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-10-07 N/A VLT 20000 30-50 N/A N/A

C.SiqueiraMello et al.,AAP, 565, A93, 2014(ADS)

High-resolution abundance analysis of very metal-poor r-I stars


Stellar Parameters

Teff : 4749+-53 log g : 1.53+-0.1 vturb : 2.20+-0.2

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...+0.105.84-2.590.155.84C
CNN/A...+0.855.95-1.880.865.95CN
NHN/A...+1.106.20-1.631.116.20NH
MgN/A...+0.825.60-2.000.745.60Mg
AlN/A...-0.313.40-3.05-0.313.40Al
SiN/A...+0.615.37-2.140.605.37Si
SN/A...+0.685.08-2.040.705.08S
KN/A...+0.923.27-1.760.983.27K
CaN/A...+0.444.00-2.340.404.00Ca
ScN/A...+0.090.42-2.730.010.42Sc
Ti IN/A...+0.402.54-2.410.332.54Ti I
Ti IIN/A...+0.392.53-2.420.322.53Ti II
V IN/A...-0.021.22-2.710.031.22V I
V IIN/A...+0.101.34-2.590.151.34V II
CrN/A...-0.442.44-3.20-0.462.44Cr
MnN/A...-0.352.26-3.17-0.432.26Mn
Fe IN/A-2.76...4.76-2.74...4.76Fe I
Fe IIN/A-2.76...4.76-2.74...4.76Fe II
CoN/A...+0.292.45-2.540.202.45Co
NiN/A...-0.083.39-2.83-0.093.39Ni
SrN/A...-0.010.15-2.720.020.15Sr
YN/A...-0.16-0.71-2.92-0.18-0.71Y
ZrN/A...+0.300.11-2.470.270.11Zr
MoN/A...<+0.49<-0.35<-2.23<0.51<-0.35Mo
RuN/A...+0.77-0.15-1.900.84-0.15Ru
BaN/A...-0.04-0.63-2.81-0.07-0.63Ba
LaN/A...+0.05-1.57-2.670.07-1.57La
CeN/A...-0.07-1.22-2.80-0.06-1.22Ce
PrN/A...+0.39-1.62-2.340.40-1.62Pr
NdN/A...+0.28-1.03-2.450.29-1.03Nd
SmN/A...+0.35-1.42-2.380.36-1.42Sm
EuN/A...+0.50-1.75-2.270.47-1.75Eu
GdN/A...+0.27-1.38-2.450.29-1.38Gd
TbN/A...<+0.53<-1.95<-2.27<0.47<-1.95Tb
DyN/A...+0.51-1.12-2.220.52-1.12Dy
HoN/A...+0.45-1.80-2.270.47-1.80Ho
ErN/A...+0.53-1.27-2.190.55-1.27Er
YbN/A...+0.32-1.58-2.500.24-1.58Yb
IrN/A...<+0.93<-0.45<-1.83<0.91<-0.45Ir
ThN/A...<+0.56<-2.12<-2.18<0.56<-2.12Th

Binary Parameters

Binarity Negative
Vrad 255.4

Position

Right Ascension : 05 27 04.40 Declination : -20 52 42.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2007-11-07 N/A VLT 55000 N/A 3600 255.55
2007-11-07 N/A VLT 55000 N/A 3600 256.32
2008-11-07 N/A VLT 55000 N/A 3300 255.31
2010-11-07 N/A VLT 55000 N/A 3600 254.42