A0450

Bibliography Data

Title Spectroscopic Study of Four Metal-poor Carbon Stars from the Hamburg/ESO Survey: On Confirming the Low-mass Nature of Their Companions
ADS J.Shejeelammal et al.,ApJ, 934, 110, 2022
Authors J. Shejeelammal, A. Goswami

Milky Way

List of objects (4 stars)

S: Find this object in SIMBAD
O: Find this object in Other papers

Name Comment SIMBAD Object
HE0457-1805 N/A S O
HE0920-0506 N/A S O
HE1241-0337 N/A S O
HE1327-2116 N/A S O

HE0457-1805

Stellar Parameters

Teff : 4435+-100 log g : 0.7+-0.2 vturb : 1.97+-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-0.191.808.25-0.181.808.25C
N3-0.311.677.52+-0.07-0.311.677.52+-0.07N
Na I30.222.26.46+-0.060.222.206.46+-0.06Na I
Mg I2-0.661.326.94+-0.14-0.661.326.94+-0.14Mg I
Ca I7-1.130.855.21+-0.12-1.130.855.21+-0.12Ca I
Sc II1-1.30.681.85-1.300.681.85Sc II
Ti I6-1.120.863.83+-0.17-1.120.863.83+-0.17Ti I
Ti II5-1.550.433.40+-0.14-1.550.433.40+-0.14Ti II
V I2-1.20.782.73-1.200.782.73V I
Cr I4-0.921.064.72+-0.10-0.921.064.72+-0.10Cr I
Cr II2-1.060.924.58+-0.04-1.060.924.58+-0.04Cr II
Mn I2-10.984.43-1.000.984.43Mn I
Fe I11-1.98...5.52+-0.13-1.98...5.52+-0.13Fe I
Fe II4-1.98...5.52+-0.12-1.98...5.52+-0.12Fe II
Co I1-1.410.573.58-1.410.573.58Co I
Ni I7-0.921.065.30+-0.08-0.921.065.30+-0.08Ni I
Cu I1-1.98...2.21-1.980.002.21Cu I
Zn I1-1.50.483.1-1.460.523.1Zn I
Rb I1-0.571.411.95-0.411.571.95Rb I
Y II4-0.031.952.18+-0.20-0.031.952.18+-0.20Y II
Zr I10.452.433.030.452.433.03Zr I
Zr II10.052.032.630.052.032.63Zr II
La II30.292.271.39+-0.020.292.271.39+-0.02La II
Ce II60.372.351.95+-0.150.372.351.95+-0.15Ce II
Pr II60.582.561.30+-0.110.582.561.30+-0.11Pr II
Nd II90.392.371.81+-0.110.392.371.81+-0.11Nd II
Sm II70.432.411.39+-0.110.432.411.39+-0.11Sm II
Eu II1-0.721.26-0.2-0.721.26-0.2Eu II

Isotopic Ratio

12C/13C 23+-4

Binary Parameters

Binarity Positive
Vrad 62.83+-0.02

Position

Right Ascension : 04 59 43.56 Declination : -18 01 11.99 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 HERMES 86000 15.82/55.48/89.05 N/A 62.83+-0.02


HE0920-0506

Stellar Parameters

Teff : 5380+-100 log g : 2.65+-0.2 vturb : 0.69+-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-0.180.578.3-0.130.628.3C
N3-0.30.457.53+-0.20-0.300.457.53+-0.20N
O1-0.89-0.147.8-0.89-0.147.8O
Na I3-0.30.455.94+-0.09-0.300.455.94+-0.09Na I
Mg I3-0.10.657.50+-0.03-0.100.657.50+-0.03Mg I
Ca I16-0.360.395.98+-0.11-0.360.395.98+-0.11Ca I
Sc II2-1.09-0.262.14-1.01-0.262.14Sc II
Ti I8-0.550.24.40+-0.08-0.550.204.40+-0.08Ti I
Ti II8-0.610.144.34+-0.08-0.610.144.34+-0.08Ti II
V I1-1.06-0.312.87-1.06-0.312.87V I
Cr I10-0.280.475.36+-0.09-0.280.475.36+-0.09Cr I
Cr II3-0.270.485.37+-0.07-0.270.485.37+-0.07Cr II
Mn I2-0.99-0.244.44+-0.01-0.99-0.244.44+-0.01Mn I
Fe I17-0.75...6.75+-0.06-0.75...6.75+-0.06Fe I
Fe II3-0.75...6.75+-0.01-0.75...6.75+-0.01Fe II
Co I1-0.8-0.054.19-0.80-0.054.19Co I
Ni I10-0.390.365.83+-0.10-0.390.365.83+-0.10Ni I
Cu I1-1-0.253.19-1.00-0.253.19Cu I
Zn I2-0.220.534.34+-0.12-0.220.534.34+-0.12Zn I
Rb I1-0.82-0.071.7-0.660.091.7Rb I
Y II60.461.212.67+-0.110.461.212.67+-0.11Y II
Zr I10.471.223.050.471.223.05Zr I
Zr II1-0.20.552.38-0.200.552.38Zr II
Ba II10.651.42.830.651.402.83Ba II
La II20.51.251.60.501.251.6La II
Ce II60.411.161.99+-0.140.411.161.99+-0.14Ce II
Pr II20.431.181.15+-0.030.431.181.15+-0.03Pr II
Nd II40.321.071.74+-0.140.321.071.74+-0.14Nd II
Sm II40.611.361.57+-0.180.611.361.57+-0.18Sm II
Eu II1-0.91-0.16-0.39-0.91-0.16-0.39Eu II

Binary Parameters

Vrad 49.60+-0.03

Position

Right Ascension : 09 23 05.96 Declination : -05 19 32.75 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 HERMES 86000 14/51.88/49.89 N/A 49.60+-0.03


HE1241-0337

Stellar Parameters

Teff : 4240+-100 log g : 1.18+-0.2 vturb : 2.82+-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/A0.12.578.530.102.578.53C
NN/A-1.451.026.38-1.451.026.38N
Na I2-0.891.585.35+-0.18-0.891.585.35+-0.18Na I
Mg I2-2.430.045.17+-0.13-2.430.045.17+-0.13Mg I
Si I2-1.690.785.82+-0.10-1.690.785.82+-0.10Si I
Ca I6-2.190.284.15+-0.15-2.190.284.15+-0.15Ca I
Sc II2-2.150.321.00+-0.13-2.150.321.00+-0.13Sc II
Ti I3-2.180.292.77+-0.12-2.180.292.77+-0.12Ti I
Ti II4-2.420.052.53+-0.19-2.420.052.53+-0.19Ti II
Cr II2-2.090.383.55+-0.03-2.090.383.55+-0.03Cr II
Mn I1-1.880.593.55-1.880.593.55Mn I
Fe I16-2.47...5.03+-0.13-2.47...5.03+-0.13Fe I
Fe II3-2.47...5.03+-0.09-2.47...5.03+-0.09Fe II
Ni I4-2.58-0.113.64+-0.15-2.58-0.113.64+-0.15Ni I
Zn I1-2.75-0.281.81-2.75-0.281.81Zn I
Zr I1-1.141.331.44-1.141.331.44Zr I
Zr II4-1.041.431.54+-0.04-1.041.431.54+-0.04Zr II
La II1-1.451.02-0.35-1.451.02-0.35La II
Ce II3-1.311.160.27+-0.19-1.311.160.27+-0.19Ce II
Pr II3-1.151.32-0.43+-0.12-1.151.32-0.43+-0.12Pr II
Nd II4-1.451.02-0.03+-0.12-1.451.02-0.03+-0.12Nd II
Sm II2-1.480.99-0.52+-0.01-1.480.99-0.52+-0.01Sm II
Eu II2-1.950.52-1.43+-0.15-1.950.52-1.43+-0.15Eu II

Binary Parameters

Vrad 179.69+-2.18

Position

Right Ascension : 12 44 27.21 Declination : -03 54 01.20 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 SUBARUHDS 50000 8.35/40.16 N/A 179.69+-2.18


HE1327-2116

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