HE1116-0054

taken from 2 paper(s):

/J.E.Norris et al.(2013)/ /D.Yong et al.(2013)/

J.E.Norris et al.,ApJ, 762, 25, 2013(ADS)

The Most Metal-poor Stars. I. Discovery, Data, and Atmospheric Parameters


Stellar Parameters

Teff : 6454+-48 log g : 4.3

Position

Right Ascension : 11 18 47.80 Declination : -01 11 20.0 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 2454436.123 KECKHIRES 48000 100 147.4 N/A
2007-11 2454436.138 KECKHIRES 48000 100 149.2 N/A
2007-12 2454456.785 MIKELCO 37000 100 149.2 N/A
2007-12 2454456.807 MIKELCO 37000 100 148.3 N/A
2007-12 2454456.829 MIKELCO 37000 100 150.1 N/A
2007-12 2454457.795 MIKELCO 37000 100 151.1 N/A
2007-12 2454457.816 MIKELCO 37000 100 147.6 N/A
2007-6 2454274.476 MIKELCO 31000-39000 100 147.8 N/A
2007-6 2454274.498 MIKELCO 31000-39000 100 150.7 N/A
2007-6 2454274.52 MIKELCO 31000-39000 100 149.1 N/A
2007-6 2454274.542 MIKELCO 31000-39000 100 148.8 N/A
2008-3 2454551.845 KECKHIRES 49000 100 146.3 N/A
2008-3 2454551.867 KECKHIRES 49000 100 149 N/A
2008-3 2454551.889 KECKHIRES 49000 100 147.9 N/A
2008-3 2454551.91 KECKHIRES 49000 100 149.8 N/A
2008-3 2454551.932 KECKHIRES 49000 100 147.5 N/A
2008-3 2454551.954 KECKHIRES 49000 100 148 N/A
2008-3 2454552.99 KECKHIRES 49000 100 151.9 N/A
2008-3 2454553.004 KECKHIRES 49000 100 145.7 N/A

D.Yong et al.,ApJ, 762, 26, 2013(ADS)

THE MOST METAL-POOR STARS. II. CHEMICAL ABUNDANCES OF 190 METAL-POOR STARS INCLUDING 10 NEW STARS WITH [Fe/H] <-3.


Stellar Parameters

Teff : 6454 log g : 3.8 vturb : 1.6

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...<1.72<6.66<-1.77<1.72<6.66C
NN/A...<2.91<7.25<-0.58<2.91<7.25N
Na2...-0.23+-0.152.52+-0.15-3.72+-0.15-0.23+-0.152.52+-0.15Na
Mg3...0.07+-0.124.18+-0.12-3.42+-0.120.07+-0.124.18+-0.12Mg
Si1...<1.70<5.72<-1.79<1.70<5.72Si
Ca2...0.3+-0.143.15+-0.14-3.19+-0.140.30+-0.143.15+-0.14Ca
Sc1...0.28-0.06-3.210.28-0.06Sc
Cr4...-0.07+-0.112.08+-0.11-3.56+-0.11-0.07+-0.112.08+-0.11Cr
Fe I37-3.49+-0.13...4.01+-0.13-3.49+-0.13...4.01+-0.13Fe I
Sr2...-0.07+-0.17-0.69+-0.17-3.56+-0.17-0.07+-0.17-0.69+-0.17Sr
Ba1...<0.16<-1.15<-3.33<0.16<-1.15Ba

Position

Right Ascension : 11 18 47.80 Declination : -01 11 20.0 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 N/A N/A N/A N/A