HE1327-2116

taken from 1 paper(s):

/J.Shejeelammal and A. Goswami(2022)/

J.Shejeelammal et al.,ApJ, 934, 110, 2022(ADS)

Spectroscopic Study of Four Metal-poor Carbon Stars from the Hamburg/ESO Survey: On Confirming the Low-mass Nature of Their Companions


Stellar Parameters

Teff : 4835+-100 log g : 1.5+-0.2 vturb : 3.45+-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-0.382.468.05-0.382.468.05C
N3-0.332.517.50+-0.10-0.332.517.50+-0.10N
Na I1-1.960.884.28-1.960.884.28Na I
Mg I1-2.380.465.22-2.380.465.22Mg I
Si I1-2.060.785.45-2.060.785.45Si I
Ca I5-2.210.634.13+-0.06-2.210.634.13+-0.06Ca I
Sc II2-3.12-0.270.03+-0.01-3.12-0.280.03+-0.01Sc II
Ti I2-2.180.662.77+-0.02-2.180.662.77+-0.02Ti I
Ti II4-2.360.482.59+-0.08-2.360.482.59+-0.08Ti II
Cr I2-2.610.233.03+-0.01-2.610.233.03+-0.01Cr I
Mn I2-1.811.033.61+-0.03-1.821.023.61+-0.03Mn I
Fe I11-2.84...4.66+-0.07-2.84...4.66+-0.07Fe I
Fe II2-2.84...4.66+-0.04-2.84...4.66+-0.04Fe II
Co I2-3.18-0.341.81+-0.07-3.18-0.341.81+-0.07Co I
Ni I3-1.531.314.69+-0.06-1.531.314.69+-0.06Ni I
Zn I1-2.40.442.16-2.400.442.16Zn I
Zr I1-0.772.071.81-0.772.071.81Zr I
Zr II1-1.691.150.89-1.691.150.89Zr II
La II1-1.11.74...-1.101.740.00La II
Ce II5-1.091.750.49+-0.10-1.091.750.49+-0.10Ce II
Pr II1-0.951.89-0.23-0.951.89-0.23Pr II
Nd II8-1.061.780.36+-0.08-1.061.780.36+-0.08Nd II
Sm II4-1.031.81-0.07+-0.15-1.031.81-0.07+-0.15Sm II
Eu II1-1.681.16-1.16-1.681.16-1.16Eu II

Isotopic Ratio

12C/13C 7+-3

Binary Parameters

Vrad 176.77+-0.06

Position

Right Ascension : 13 30 19.36 Declination : -21 32 03.33 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2019-01-31 N/A HERMES 86000 13.85/29.6/68.14 600 176.77+-0.06
2019-02-01 N/A HERMES 86000 13.85/29.6/68.14 600 176.77+-0.06