BD+08_2856

taken from 5 paper(s):

/J.A.Johnson(2002)/ /B.W.Carney et al.(2003)/ /J.A.Johnson and M. Bolte(2002)/ /J.A.Johnson and M. Bolte(2001)/ /C.J.Hansen et al.(2012)/

J.A.Johnson et al.,ApJS, 139, 219, 2002(ADS)

ABUNDANCES OF 30 ELEMENTS IN 23 METAL-POOR STARS


Stellar Parameters

Teff : 4550 log g : 0.70 vturb : 2.20

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
Na I2......4.11+-0.28-2.13+-0.28-0.03+-0.284.11+-0.28Na I
Mg I5......6.11+-0.17-1.49+-0.170.61+-0.176.11+-0.17Mg I
Al I1......3.98+-0.27-2.47+-0.27-0.37+-0.273.98+-0.27Al I
Si I4......5.99+-0.09-1.52+-0.090.58+-0.095.99+-0.09Si I
Ca I21......4.57+-0.12-1.77+-0.120.33+-0.124.57+-0.12Ca I
Sc II10......1.10+-0.12-2.05+-0.120.05+-0.121.10+-0.12Sc II
Ti I38......3.01+-0.19-1.94+-0.190.16+-0.193.01+-0.19Ti I
Ti II19......3.20+-0.12-1.75+-0.120.35+-0.123.20+-0.12Ti II
V I5......1.74+-0.18-2.19+-0.18-0.09+-0.181.74+-0.18V I
V II2......1.97+-0.04-1.96+-0.040.14+-0.041.97+-0.04V II
Cr I14......3.39+-0.17-2.25+-0.17-0.15+-0.173.39+-0.17Cr I
Cr II2......3.82+-0.09-1.82+-0.090.28+-0.093.82+-0.09Cr II
Mn I6......3.00+-0.13-2.43+-0.13-0.33+-0.133.00+-0.13Mn I
Mn II2......3.22+-0.26-2.21+-0.26-0.11+-0.263.22+-0.26Mn II
Fe I166......5.40+-0.19-2.10+-0.19...5.40+-0.19Fe I
Fe II23......5.41+-0.11-2.09+-0.11...5.41+-0.11Fe II
Co I4......2.92+-0.24-2.07+-0.240.03+-0.242.92+-0.24Co I
Ni I29......4.04+-0.17-2.18+-0.17-0.08+-0.174.04+-0.17Ni I
Zn I2......2.59+-0.05-1.97+-0.050.13+-0.052.59+-0.05Zn I
Y II13......-0.15+-0.15-2.36+-0.15-0.26+-0.15-0.15+-0.15Y II
Zr II6......0.57+-0.09-2.01+-0.090.09+-0.090.57+-0.09Zr II
Ba II4......-0.07+-0.24-2.25+-0.24-0.15+-0.24-0.07+-0.24Ba II
La II3......-0.96+-0.09-2.06+-0.090.04+-0.09-0.96+-0.09La II
Ce II5......-0.65+-0.11-2.23+-0.11-0.13+-0.11-0.65+-0.11Ce II
Pr II2......-1.61+-0.13-2.33+-0.13-0.23+-0.13-1.61+-0.13Pr II
Nd II10......-0.45+-0.12-1.87+-0.120.23+-0.12-0.45+-0.12Nd II
Sm II12......-0.90+-0.11-1.86+-0.110.24+-0.11-0.90+-0.11Sm II
Eu II3......-1.16+-0.06-1.68+-0.060.42+-0.06-1.16+-0.06Eu II
Gd II1......-0.85+-0.22-1.92+-0.220.18+-0.22-0.85+-0.22Gd II
Tb II1......-1.84+-0.17-2.16+-0.17-0.06+-0.17-1.84+-0.17Tb II
Dy II7......-0.46+-0.12-1.56+-0.120.54+-0.12-0.46+-0.12Dy II
Ho IIN/A......<-0.72<-1.19<0.91<-0.72Ho II
Er II3......-0.81+-0.09-1.73+-0.090.37+-0.09-0.81+-0.09Er II
Tm II3......-1.71+-0.06-1.83+-0.060.27+-0.06-1.71+-0.06Tm II
Yb II1......-0.82+-0.30-1.74+-0.300.36+-0.30-0.82+-0.30Yb II
Hf IIN/A......<0.16<-0.55<1.55<0.16Hf II
Os IN/A......<-0.07<-1.47<0.63<-0.07Os I

Position

Right Ascension : 14 23 58.10 Declination : +08 01 33.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1997-06-20 N/A KECKHIRES 45000 200 2700 N/A
1999-03-08 N/A LICKHAMILTON 60000 45 3600 N/A

B.W.Carney et al.,AJ, 125, 293, 2003(ADS)

Spectroscopic Binaries, Velocity Jitter, and Rotation in Field Metal-poor Red Giant and Red Horizontal-Branch Stars


Stellar Parameters

Teff : 4480 log g : 1.1

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-2.31......-2.31...5.19Fe

Binary Parameters

Vrad 64.51

Position

Right Ascension : 14 23 58.10 Declination : +08 01 33.0 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 2445742.93017 WYETH N/A N/A N/A 64.28+-0.48
N/A 2445753.84113 WYETH N/A N/A N/A 63.37+-0.56
N/A 2446513.79975 WYETH N/A N/A N/A 65.22+-0.57
N/A 2446834.92667 WYETH N/A N/A N/A 64.59+-0.64
N/A 2447198.87142 WYETH N/A N/A N/A 65.56+-0.87
N/A 2447221.96037 TILLINGHAST N/A N/A N/A 65.61+-0.53
N/A 2447642.92245 TILLINGHAST N/A N/A N/A 64.48+-0.44
N/A 2447668.69841 WYETH N/A N/A N/A 63.15+-0.58
N/A 2447695.76343 MMT N/A N/A N/A 63.59+-0.47
N/A 2447791.58342 MMT N/A N/A N/A 65.31+-0.40
N/A 2448699.76316 WYETH N/A N/A N/A 64.22+-0.70
N/A 2449065.87137 WYETH N/A N/A N/A 63.67+-0.46
N/A 2450640.62149 WYETH N/A N/A N/A 64.40+-0.48
N/A 2450824.96728 WYETH N/A N/A N/A 64.73+-0.55
N/A 2450858.94114 WYETH N/A N/A N/A 65.46+-0.54

J.A.Johnson et al.,ApJ, 579, 616, 2002(ADS)

The r-Process in the Early Galaxy


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-2.11......-1.94...5.56Fe
Sr IIN/A......0.78+-0.30-2.09+-0.30-0.15+-0.300.78+-0.30Sr II
Y IIN/A......-0.15+-0.15-2.36+-0.15-0.42+-0.15-0.15+-0.15Y II
Zr IIN/A......0.57+-0.09-2.01+-0.09-0.07+-0.090.57+-0.09Zr II
Pd IN/A......-0.36+-0.25-1.93+-0.250.01+-0.25-0.36+-0.25Pd I
Ag IN/A......-0.78+-0.25-1.98+-0.25-0.04+-0.25-0.78+-0.25Ag I
Ba IIN/A......-0.07+-0.24-2.25+-0.24-0.31+-0.24-0.07+-0.24Ba II

Position

Right Ascension : 14 23 58.10 Declination : +08 01 33.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1997-06-20 N/A KECKHIRES 45000 200 2700 N/A
1999-03-08 N/A LICKHAMILTON 60000 45 3600 N/A

J.A.Johnson et al.,ApJ, 554, 888, 2001(ADS)

Th Ages for Metal-poor Stars


Stellar Parameters

Teff : 4550 log g : 0.70 vturb : 2.20

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
Fe I166-2.12+-0.19......-1.95+-0.19...5.55+-0.19Fe I
Fe II23-2.11+-0.11......-1.94+-0.11...5.56+-0.11Fe II
Ba II4...-0.08+-0.24...-2.25+-0.24-0.30+-0.24-0.07+-0.24Ba II
La II3...-0.06+-0.09...-2.06+-0.09-0.11+-0.09-0.96+-0.09La II
Ce II5...-0.08+-0.11...-2.17+-0.11-0.22+-0.11-0.59+-0.11Ce II
Pr II2...-0.20+-0.13...-2.33+-0.13-0.38+-0.13-1.61+-0.13Pr II
Nd II10...0.17+-0.12...-1.87+-0.120.08+-0.12-0.45+-0.12Nd II
Sm II12...0.22+-0.11...-1.86+-0.110.09+-0.11-0.90+-0.11Sm II
Eu II3...0.45+-0.06...-1.68+-0.060.27+-0.06-1.16+-0.06Eu II
Gd II1...0.15+-0.21...-1.92+-0.210.03+-0.21-0.85+-0.21Gd II
Tb II1...0.27+-0.17...-1.84+-0.170.11+-0.17-1.52+-0.17Tb II
Dy II7...0.56+-0.12...-1.56+-0.120.39+-0.12-0.46+-0.12Dy II
Ho IIN/A...<0.90...<-1.19<0.76<-0.72Ho II
Er II3...0.38+-0.09...-1.73+-0.090.22+-0.09-0.81+-0.09Er II
Tm II3...0.28+-0.06...-1.83+-0.060.12+-0.06-1.71+-0.06Tm II
Yb II1...0.22+-0.30...-1.87+-0.300.08+-0.30-0.95+-0.30Yb II
Hf IIN/A...<1.40...<-0.70<1.25<0.01Hf II
Os IN/A...<0.60...<-1.47<0.48<-0.07Os I
Th II1...0.34+-0.10...-1.76+-0.100.19+-0.10-1.70+-0.10Th II

Position

Right Ascension : 14 23 58.10 Declination : +08 01 33.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1997-06-20 N/A KECKHIRES 45000 200 2700 N/A
1999-03-08 N/A LICKHAMILTON 60000 45 3600 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 : 0.80+-0.25 vturb : 2.0+-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-2.09+-0.15......-2.09+-0.15...5.41+-0.15Fe
SrN/A...-0.01+-0.12...-2.10+-0.12-0.01+-0.120.77+-0.12Sr
YN/A...0.04+-0.15...-2.05+-0.150.04+-0.150.16+-0.15Y
ZrN/A...0.05+-0.14...-2.04+-0.140.05+-0.140.54+-0.14Zr
PdN/A...0.12+-0.21...-1.97+-0.210.12+-0.21-0.40+-0.21Pd
AgN/A...<0.73...<-1.62<0.47<-0.42Ag
BaN/A...0.26+-0.14...-1.83+-0.140.26+-0.140.35+-0.14Ba
EuN/A...0.41+-0.16...-1.68+-0.160.41+-0.16-1.16+-0.16Eu

Position

Right Ascension : 14 23 58.10 Declination : +08 01 33.0 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 40000 >100 N/A N/A