CS22881-039
taken from 3 paper(s):
/G.W.Preston et al.(2006)/
/C.J.Hansen et al.(2011)/
/I.U.Roederer et al.(2014)/
ATMOSPHERES, CHEMICAL COMPOSITIONS, AND EVOLUTIONARY HISTORIES OF VERY METAL-POOR RED HORIZONTAL-BRANCH STARS IN THE GALACTIC FIELD AND IN NGC 7078 (M15)
Stellar Parameters
Teff : 6100+-150 | log g : 2.60+-0.3 | vturb : 2.75+-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 |
Na I | 2 | ... | 0.16+-0.07 | ... | -2.46+-0.07 | 0.23+-0.07 | 3.78+-0.07 | Na I |
Mg I | 3 | ... | 0.33+-0.05 | ... | -2.40+-0.05 | 0.29+-0.05 | 5.20+-0.05 | Mg I |
Al I | 1 | ... | -0.63 | ... | -3.32 | -0.63 | 3.13 | Al I |
Si I | 1 | ... | -0.03 | ... | -2.70 | -0.01 | 4.81 | Si I |
Ca I | 3 | ... | 0.50+-0.27 | ... | -2.19+-0.27 | 0.50+-0.27 | 4.15+-0.27 | Ca I |
Sc II | 3 | ... | 0.36+-0.06 | ... | -2.40+-0.06 | 0.29+-0.06 | 0.75+-0.06 | Sc II |
Ti I | 2 | ... | 0.62+-0.10 | ... | -2.05+-0.10 | 0.64+-0.10 | 2.90+-0.10 | Ti I |
Ti II | 7 | ... | 0.45+-0.07 | ... | -2.22+-0.07 | 0.47+-0.07 | 2.73+-0.07 | Ti II |
V I | 2 | ... | 0.30+-0.02 | ... | -2.34+-0.02 | 0.35+-0.02 | 1.59+-0.02 | V I |
Cr I | 3 | ... | -0.23+-0.09 | ... | -2.91+-0.09 | -0.22+-0.09 | 2.73+-0.09 | Cr I |
Mn I | 3 | ... | -0.54+-0.05 | ... | -3.29+-0.05 | -0.60+-0.05 | 2.14+-0.05 | Mn I |
Fe I | 68 | -2.71+-0.11 | ... | ... | -2.69+-0.11 | ... | 4.81+-0.11 | Fe I |
Fe II | 9 | -2.65+-0.12 | ... | ... | -2.63+-0.12 | ... | 4.87+-0.12 | Fe II |
Co I | 1 | ... | 0.26 | ... | -2.52 | 0.17 | 2.47 | Co I |
Sr II | 2 | ... | 0.16+-0.04 | ... | -2.52+-0.04 | 0.17+-0.04 | 0.35+-0.04 | Sr II |
Y II | 1 | ... | -0.09 | ... | -2.77 | -0.08 | -0.56 | Y II |
Ba II | 2 | ... | -0.42+-0.16 | ... | -3.18+-0.16 | -0.49+-0.16 | -1.00+-0.16 | Ba II |
Binary Parameters
Position
Right Ascension : 22 09 35.42 | Declination : -40 25 51.2 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2003-10-09-0210 | N/A | MIKELCO | 40000 | 110 | 6000 | N/A |
First stars. XIII. Two extremely metal-poor RR Lyrae stars
Stellar Parameters
Teff : 5950+-150 | log g : 2.10+-0.3 | vturb : 3.0+-0.1 |
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 | 1 | ... | ... | <0.6 | <-2.66 | <0.09 | <0.6 | Li |
CH | N/A | ... | <0.69 | ... | <-1.97 | <0.78 | <6.46 | CH |
Na I | 2 | ... | -0.13+-0.15 | ... | -2.79+-0.15 | -0.04+-0.15 | 3.45+-0.15 | Na I |
Mg I | 6 | ... | 0.70+-0.30 | ... | -2.07+-0.30 | 0.68+-0.30 | 5.53+-0.30 | Mg I |
Al I | 2 | ... | -0.74+-0.05 | ... | -3.47+-0.05 | -0.72+-0.05 | 2.98+-0.05 | Al I |
Si I | 1 | ... | 0.01+-0.05 | ... | -2.70+-0.05 | 0.05+-0.05 | 4.81+-0.05 | Si I |
Ca | 5 | ... | 0.29+-0.30 | ... | -2.44+-0.30 | 0.31+-0.30 | 3.90+-0.30 | Ca |
Sc II | 3 | ... | 0.11+-0.06 | ... | -2.62+-0.06 | 0.13+-0.06 | 0.53+-0.06 | Sc II |
Ti I | 1 | ... | 0.38+-0.25 | ... | -2.30+-0.25 | 0.45+-0.25 | 2.65+-0.25 | Ti I |
Ti II | 17 | ... | 0.35+-0.25 | ... | -2.33+-0.25 | 0.42+-0.25 | 2.62+-0.25 | Ti II |
Cr I | 4 | ... | -0.32+-0.12 | ... | -3.04+-0.12 | -0.29+-0.12 | 2.60+-0.12 | Cr I |
Mn I | 2 | ... | -0.59+-0.05 | ... | -3.38+-0.05 | -0.63+-0.05 | 2.05+-0.05 | Mn I |
Fe | N/A | -2.75+-0.19 | ... | ... | -2.75+-0.19 | ... | 4.75+-0.19 | Fe |
Co I | 2 | ... | 0.14+-0.14 | ... | -2.68+-0.14 | 0.07+-0.14 | 2.31+-0.14 | Co I |
Ni I | 2 | ... | -0.19+-0.07 | ... | -2.91+-0.07 | -0.16+-0.07 | 3.31+-0.07 | Ni I |
Sr II | 1 | ... | 0.00+-0.15 | ... | -2.65+-0.15 | 0.10+-0.15 | 0.22+-0.15 | Sr II |
Ba II | 1 | ... | -0.62+-0.09 | ... | -3.42+-0.09 | -0.67+-0.09 | -1.24+-0.09 | Ba II |
Binary Parameters
Position
Right Ascension : 22 09 35.42 | Declination : -40 25 51.2 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2001-06-01 | 2452061.8657 | VLT | 43000 | N/A | 4800 | +90.0 |
A SEARCH FOR STARS OF VERY LOW METAL ABUNDANCE. VI. DETAILED ABUNDANCES OF 313 METAL-POOR STARS
Stellar Parameters
Teff : 6170+-40 | log g : 2.05+-0.29 | vturb : 2.8+-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 | ... | ... | <2.39 | <-0.87 | <1.92 | <2.39 | Li I |
CH | 1 | ... | <1.46 | <7.10 | <-1.33 | <1.46 | <7.10 | CH |
CN | 1 | ... | <2.86 | <7.90 | <0.07 | <2.86 | <7.90 | CN |
Mg I | 4 | ... | 0.42+-0.17 | 5.23 | -2.37 | 0.42+-0.17 | 5.23 | Mg I |
Al I | 2 | ... | -0.54+-0.19 | 3.12 | -3.33 | -0.54+-0.19 | 3.12 | Al I |
Si I | 1 | ... | 0.00+-0.27 | 4.72 | -2.79 | 0.00+-0.27 | 4.72 | Si I |
Ca I | 10 | ... | 0.35+-0.19 | 3.90 | -2.44 | 0.35+-0.19 | 3.90 | Ca I |
Sc II | 3 | ... | 0.32+-0.15 | 0.68 | -2.47 | 0.32+-0.15 | 0.68 | Sc II |
Ti II | 16 | ... | 0.36+-0.15 | 2.52 | -2.43 | 0.36+-0.15 | 2.52 | Ti II |
V II | 2 | ... | <0.67 | <1.81 | <-2.12 | <0.67 | <1.81 | V II |
Cr I | 3 | ... | -0.08+-0.16 | 2.77 | -2.87 | -0.08+-0.16 | 2.77 | Cr I |
Mn I | 2 | ... | -0.23+-0.18 | 2.41 | -3.02 | -0.23+-0.18 | 2.41 | Mn I |
Fe I | 48 | -2.79+-0.17 | ... | 4.71 | -2.79+-0.17 | ... | 4.71 | Fe I |
Fe II | 7 | -2.79+-0.15 | ... | 4.71 | -2.79+-0.15 | ... | 4.71 | Fe II |
Co I | 3 | ... | 0.28+-0.21 | 2.48 | -2.51 | 0.28+-0.21 | 2.48 | Co I |
Ni I | 1 | ... | 0.08+-0.20 | 3.51 | -2.71 | 0.08+-0.20 | 3.51 | Ni I |
Zn I | 2 | ... | <1.07 | <2.84 | <-1.72 | <1.07 | <2.84 | Zn I |
Sr II | 2 | ... | 0.02+-0.24 | 0.10 | -2.77 | 0.02+-0.24 | 0.10 | Sr II |
Y II | 1 | ... | -0.14+-0.18 | -0.72 | -2.93 | -0.14+-0.18 | -0.72 | Y II |
Zr II | 1 | ... | <0.48 | <0.27 | <-2.31 | <0.48 | <0.27 | Zr II |
Nb II | 1 | ... | <2.78 | <1.45 | <-0.01 | <2.78 | <1.45 | Nb II |
Mo I | 1 | ... | <2.81 | <1.90 | <0.02 | <2.81 | <1.90 | Mo I |
Tc I | 1 | ... | ... | <1.73 | <1.73 | <4.52 | <1.73 | Tc I |
Ba II | 1 | ... | -0.60+-0.15 | -1.21 | -3.39 | -0.60+-0.15 | -1.21 | Ba II |
Ce II | 5 | ... | <1.26 | <0.05 | <-1.53 | <1.26 | <0.05 | Ce II |
Pr II | 5 | ... | <1.73 | <-0.34 | <-1.06 | <1.73 | <-0.34 | Pr II |
Nd II | 4 | ... | <1.29 | <-0.08 | <-1.50 | <1.29 | <-0.08 | Nd II |
Sm II | 2 | ... | <1.69 | <-0.14 | <-1.10 | <1.69 | <-0.14 | Sm II |
Eu II | 4 | ... | <0.99 | <-1.28 | <-1.80 | <0.99 | <-1.28 | Eu II |
Gd II | 3 | ... | <1.86 | <0.14 | <-0.93 | <1.86 | <0.14 | Gd II |
Tb II | 4 | ... | <2.20 | <-0.29 | <-0.61 | <2.18 | <-0.29 | Tb II |
Dy II | 2 | ... | <1.38 | <-0.31 | <-1.41 | <1.38 | <-0.31 | Dy II |
Er II | 3 | ... | <1.72 | <-0.15 | <-1.07 | <1.72 | <-0.15 | Er II |
Tm II | 2 | ... | <2.04 | <-0.65 | <-0.77 | <2.02 | <-0.65 | Tm II |
Hf II | 1 | ... | <2.39 | <0.45 | <-0.26 | <2.53 | <0.45 | Hf II |
Pb I | 1 | ... | <2.91 | <2.16 | <0.12 | <2.91 | <2.16 | Pb I |
Th II | 2 | ... | <2.31 | <-0.42 | <-0.48 | <2.31 | <-0.42 | Th II |
Binary Parameters
Binarity | Positive |
Vrad | 79.1 |
Position
Right Ascension : 22 09 35.42 | Declination : -40 25 51.2 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2003-06-12-08:09 | 2452802.842 | MIKEBAADE | 41000 | 85-165 | 8000 | 94 |
2003-10-09-03:03 | 2452921.63 | MIKELCO | 41000 | 85-165 | 6000 | 79.1 |