G186-26
taken from 7 paper(s):
/P.E.Nissen et al.(2007)/
/C.J.Akerman et al.(2004)/
/A.M.Boesgaard and M. C. Novicki(2005)/
/P.E.Nissen et al.(2004)/
/D.Fabbian et al.(2009)/
/I.U.Roederer et al.(2014)/
/A.M.Amarsi et al.(2019)/
Sulphur and zinc abundances in Galactic halo stars revisited
Stellar Parameters
Teff : 6417 | log g : 4.42 | vturb : 1.5 |
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 |
S I | N/A | ... | 0.19 | ... | -2.14 | 0.40 | 4.98 | S I |
Fe | N/A | -2.54 | ... | ... | -2.54 | ... | 4.96 | Fe |
Zn I | N/A | ... | 0.19 | 2.25 | -2.31 | 0.23 | 2.25 | Zn I |
Position
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2007-06-25 | N/A | VLT | 60000 | N/A | N/A | N/A |
The evolution of the C/O ratio in metal-poor halo stars
Stellar Parameters
Teff : 6273 | log g : 4.25 | vturb : 1.5 |
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 |
C I | N/A | ... | ... | 6.14 | -2.29 | 0.33 | 6.14 | C I |
O I | N/A | ... | ... | 6.71 | -1.98 | 0.64 | 6.71 | O I |
Fe | N/A | -2.62 | ... | ... | -2.62 | ... | 4.88 | Fe |
Position
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
| N/A | VLT | 60000 | 200-300 | 3600 | N/A |
Beryllium in the Ultra-Lithium-deficient, Metal-Poor Halo Dwarf G186-26
Stellar Parameters
Teff : 6200+-40 | log g : 4.48+-0.20 |
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 |
Be II | N/A | ... | ... | <-2.00+-0.09 | <-3.38+-0.09 | <-0.68+-0.09 | <-2.00+-0.09 | Be II |
Fe | N/A | -2.71+-0.12 | ... | ... | -2.70+-0.12 | ... | 4.80+-0.12 | Fe |
Position
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2003-03-27 | N/A | SUBARUHDS | 50000 | 98 | 6000 | N/A |
Sulphur and zinc abundances in Galactic stars and damped Ly alpha systems
Stellar Parameters
Teff : 6273+-70 | log g : 4.25+-0.15 | vturb : 1.5+-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 |
S I | N/A | -2.43 | ... | ... | -2.35 | 0.27 | 4.77 | S I |
Fe II | N/A | -2.62 | ... | ... | -2.62 | ... | 4.88 | Fe II |
Position
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2001 | N/A | VLT | 60000 | 150-300 | N/A | N/A |
The C/O ratio at low metallicity:constraints on early chemical evolution from observations of Galactic halo stars
Stellar Parameters
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 |
C | N/A | -2.24 | ... | 6.15 | -2.28 | 0.31 | 6.15 | C |
O | N/A | -1.91 | ... | 6.75 | -1.94 | 0.65 | 6.75 | O |
Fe | N/A | -2.54 | ... | ... | -2.59 | ... | 4.91 | Fe |
Position
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2001 | N/A | VLT | 60000 | N/A | N/A | N/A |
A SEARCH FOR STARS OF VERY LOW METAL ABUNDANCE. VI. DETAILED ABUNDANCES OF 313 METAL-POOR STARS
Stellar Parameters
Teff : 5950+-45 | log g : 3.65+-0.15 | vturb : 1.45+-0.06 |
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 I | 1 | ... | ... | <1.60 | <-1.66 | <1.41 | <1.60 | Li I |
CH | 1 | ... | 0.38+-0.25 | 5.91 | -2.52 | 0.55+-0.25 | 5.91 | CH |
CN | 1 | ... | <3.07 | <8.00 | <0.17 | <3.24 | <8.00 | CN |
Mg I | 6 | ... | 0.24+-0.22 | 4.77 | -2.83 | 0.24+-0.22 | 4.77 | Mg I |
Al I | 2 | ... | -0.75+-0.23 | 2.63 | -3.82 | -0.75+-0.23 | 2.63 | Al I |
Si I | 1 | ... | 0.23+-0.36 | 4.67 | -2.84 | 0.23+-0.36 | 4.67 | Si I |
Ca I | 10 | ... | 0.48+-0.22 | 3.75 | -2.59 | 0.48+-0.22 | 3.75 | Ca I |
Sc II | 1 | ... | -0.36+-0.14 | -0.11 | -3.26 | -0.19+-0.14 | -0.11 | Sc II |
Ti II | 9 | ... | 0.07+-0.13 | 2.13 | -2.82 | 0.25+-0.13 | 2.13 | Ti II |
V II | 2 | ... | <0.64 | <1.67 | <-2.26 | <0.81 | <1.67 | V II |
Cr I | 3 | ... | -0.16+-0.20 | 2.41 | -3.23 | -0.16+-0.20 | 2.41 | Cr I |
Mn I | 3 | ... | -0.63+-0.22 | 1.73 | -3.70 | -0.63+-0.22 | 1.73 | Mn I |
Fe I | 46 | -3.07+-0.21 | ... | 4.43 | -3.07+-0.21 | ... | 4.43 | Fe I |
Fe II | 5 | -2.90+-0.15 | ... | 4.60 | -2.90+-0.15 | ... | 4.60 | Fe II |
Co I | 2 | ... | 0.09+-0.25 | 2.01 | -2.98 | 0.09+-0.25 | 2.01 | Co I |
Ni I | 1 | ... | -0.18+-0.24 | 2.97 | -3.25 | -0.18+-0.24 | 2.97 | Ni I |
Ga I | 1 | ... | <1.39 | <1.36 | <-1.72 | <1.35 | <1.36 | Ga I |
Sr II | 2 | ... | 0.09+-0.22 | 0.06 | -2.81 | 0.26+-0.22 | 0.06 | Sr II |
Y II | 5 | ... | <0.22 | <-0.47 | <-2.68 | <0.39 | <-0.47 | Y II |
Zr II | 3 | ... | <0.62 | <0.30 | <-2.28 | <0.79 | <0.30 | Zr II |
Nb II | 1 | ... | <2.88 | <1.44 | <-0.02 | <3.05 | <1.44 | Nb II |
Mo I | 1 | ... | <2.56 | <1.37 | <-0.51 | <2.56 | <1.37 | Mo I |
Tc I | 1 | ... | ... | <1.13 | <1.13 | <4.20 | <1.13 | Tc I |
Ba II | 3 | ... | 0.04+-0.15 | -0.68 | -2.86 | 0.21+-0.15 | -0.68 | Ba II |
La II | 3 | ... | <1.12 | <-0.68 | <-1.78 | <1.29 | <-0.68 | La II |
Ce II | 5 | ... | <1.18 | <-0.14 | <-1.72 | <1.35 | <-0.14 | Ce II |
Pr II | 5 | ... | <1.75 | <-0.43 | <-1.15 | <1.92 | <-0.43 | Pr II |
Nd II | 5 | ... | <1.21 | <-0.27 | <-1.69 | <1.38 | <-0.27 | Nd II |
Sm II | 2 | ... | <1.65 | <-0.29 | <-1.25 | <1.82 | <-0.29 | Sm II |
Eu II | 4 | ... | <1.12 | <-1.26 | <-1.78 | <1.29 | <-1.26 | Eu II |
Gd II | 3 | ... | <1.97 | <0.14 | <-0.93 | <2.14 | <0.14 | Gd II |
Tb II | 4 | ... | <2.24 | <-0.36 | <-0.68 | <2.39 | <-0.36 | Tb II |
Dy II | 3 | ... | <1.38 | <-0.42 | <-1.52 | <1.55 | <-0.42 | Dy II |
Ho II | 2 | ... | <1.83 | <-0.59 | <-1.06 | <2.01 | <-0.59 | Ho II |
Er II | 3 | ... | <1.89 | <-0.09 | <-1.01 | <2.06 | <-0.09 | Er II |
Tm II | 2 | ... | <2.24 | <-0.56 | <-0.68 | <2.39 | <-0.56 | Tm II |
Yb II | 1 | ... | <1.10 | <-0.88 | <-1.80 | <1.27 | <-0.88 | Yb II |
Hf II | 2 | ... | <2.62 | <0.57 | <-0.14 | <2.93 | <0.57 | Hf II |
Ir I | 1 | ... | <3.37 | <1.68 | <0.30 | <3.37 | <1.68 | Ir I |
Pb I | 1 | ... | <2.65 | <1.62 | <-0.42 | <2.65 | <1.62 | Pb I |
Th II | 2 | ... | <2.54 | <-0.30 | <-0.36 | <2.71 | <-0.30 | Th II |
Binary Parameters
Binarity | Negative |
Vrad | -323.6 |
Position
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2009-06-14-09:48 | 2454996.911 | MCDONALD | 33000 | 35-95 | 680 | -323.2 |
2009-06-15-10:26 | 2454997.937 | MCDONALD | 33000 | 35-95 | 4500 | -324 |
Carbon and oxygen in metal-poor halo stars
Stellar Parameters
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 |
C | N/A | ... | 0.21 | ... | -2.35 | 0.21 | 6.08 | C |
O | N/A | ... | 0.56 | ... | -2.00 | 0.56 | 6.69 | O |
Fe | N/A | -2.56 | ... | ... | -2.56 | ... | 4.94 | Fe |
Position
Right Ascension : 20 24 45.41 | Declination : +25 03 07.09 | 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 | N/A | VLT | 60000 | 15-300 | N/A | N/A |