HE1506-0113

taken from 3 paper(s):

/J.E.Norris et al.(2013)/ /D.Yong et al.(2013)/ /A.Arentsen et al.(2019)/

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

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


Stellar Parameters

Teff : 5016+-59 log g : 2.4

Position

Right Ascension : 15 09 14.30 Declination : -01 24 57.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-7 2454650.631 VLT 40000 23-210 -137.1 N/A
2008-7 2454651.629 VLT 40000 23-210 -136.9 N/A
2008-7 2454653.519 VLT 40000 23-210 -136.9 N/A
2008-7 2454672.487 VLT 40000 23-210 -137.6 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 : 5016 log g : 2.01 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...1.476.36-2.071.476.36C
NN/A...0.614.9-2.930.614.9N
Na2...1.65+-0.184.35+-0.18-1.89+-0.181.65+-0.184.35+-0.18Na
Mg4...0.89+-0.134.95+-0.13-2.65+-0.130.89+-0.134.95+-0.13Mg
Al1...-0.532.38-4.07-0.532.38Al
Si1...0.54.47-3.040.504.47Si
Ca5...0.19+-0.113+-0.11-3.34+-0.110.20+-0.113+-0.11Ca
Sc1...<-0.10<-0.49<-3.64<-0.10<-0.49Sc
Ti I4...0.53+-0.131.94+-0.13-3.01+-0.130.53+-0.131.94+-0.13Ti I
Cr3...-0.15+-0.121.96+-0.12-3.68+-0.12-0.14+-0.121.96+-0.12Cr
Mn1...-0.321.57-3.86-0.321.57Mn
Fe I87-3.54+-0.15...3.96+-0.15-3.54+-0.15...3.96+-0.15Fe I
Fe II2-3.49+-0.17...4.01+-0.17-3.49+-0.17...4.01+-0.17Fe II
Co4...0.48+-0.111.93+-0.11-3.06+-0.110.48+-0.111.93+-0.11Co
Ni3...0.38+-0.143.06+-0.14-3.16+-0.140.38+-0.143.06+-0.14Ni
Sr2...-0.85+-0.19-1.51+-0.19-4.38+-0.19-0.84+-0.19-1.51+-0.19Sr
Ba1...-0.8-2.16-4.34-0.80-2.16Ba

Position

Right Ascension : 15 09 14.30 Declination : -01 24 57.0 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

A.Arentsen et al.,AAP, 621, A108, 2019(ADS)

Binarity among CEMP-no stars: an indication of multiple formation pathways?


Stellar Parameters

Teff : 5016 log g : 2.0

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...1.476.38-2.051.496.38C
FeN/A-3.54......-3.54...3.96Fe
BaN/A...-0.8...-4.34-0.80-2.16Ba

Binary Parameters

Binarity Positive
Vrad -83.50+-11.22

Position

Right Ascension : 15 09 14.3 Declination : -01 24 57 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-08-15-174536 2456520.24 GECKOCFHT 68000 N/A N/A -93.91+-0.54
2013-08-22-171648 2456527.22 GECKOCFHT 68000 N/A N/A -92.8+-0.46
2013-08-27-171648 2456532.22 GECKOCFHT 68000 N/A N/A -92.75+-0.51
2014-02-09-030711 2456697.63 GECKOCFHT 68000 N/A N/A -87.43+-0.46
2014-02-13-032136 2456701.64 GECKOCFHT 68000 N/A N/A -88.23+-0.46
2014-06-03-185736 2456812.29 GECKOCFHT 68000 N/A N/A -85.32+-0.34
2014-06-14-182848 2456823.27 GECKOCFHT 68000 N/A N/A -84.61+-0.37
2015-04-28-005736 2457140.54 SALTHRS 16000 N/A N/A -77.13+-1.97