HD221580

taken from 2 paper(s):

/R.G.Gratton et al.(2000)/ /R.E.Giribaldi et al.(2023)/

R.G.Gratton et al.,AAP, 354, 169, 2000(ADS)

Mixing along the red giant branch in metal-poor field stars


Stellar Parameters

Teff : 5264 log g : 2.49 vturb : 1.56

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
Li IN/A......1.00-2.26-1.071.00Li I
ON/A...0.26...-0.700.497.99O
[O I]N/A...0.31...-0.650.548.04[O I]
NaN/A...-0.17...-1.32-0.134.92Na
Fe IN/A-1.14......-1.19...6.31Fe I

Position

Right Ascension : 23 33 40.20 Declination : -53 39 29.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1995-05 N/A CESESO 50000 80-150 N/A N/A
1995-11 N/A CESESO 50000 80-150 N/A N/A
1995-11 N/A MCDONALD2DC 60000 70-100 N/A N/A

R.E.Giribaldi et al.,AAP, 679, A110, 2023(ADS)

TITANS metal-poor reference stars. II. Red giants and CEMP stars


Stellar Parameters

Teff : 5330+-44 log g : 2.46+-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
MgN/A......6.7+-0.08-0.90+-0.080.27+-0.086.7+-0.08Mg
Fe IN/A-1.17+-0.10......-1.17+-0.10...6.33+-0.10Fe I
Fe IIN/A-0.97+-0.03......-0.97+-0.03...6.53+-0.03Fe II

Position

Right Ascension : Declination : 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 HARPSESO >40000 >200 N/A N/A