CS22955-174
taken from 2 paper(s):
/G.W.Preston et al.(2006)/
/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 : 5650+-150 | log g : 2.40+-0.3 | vturb : 2.30+-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 |
|---|
| CH | N/A | ... | <0.21 | ... | <-2.43 | <0.46 | <6.00 | CH |
| Na I | 2 | ... | 2.18+-0.20 | ... | -0.64+-0.20 | 2.25+-0.20 | 5.60+-0.20 | Na I |
| Mg I | 4 | ... | 0.38+-0.10 | ... | -2.55+-0.10 | 0.34+-0.10 | 5.05+-0.10 | Mg I |
| Al I | 1 | ... | -0.75 | ... | -3.64 | -0.75 | 2.81 | Al I |
| Si I | 1 | ... | 0.49 | ... | -2.38 | 0.51 | 5.13 | Si I |
| Ca I | 7 | ... | 0.47+-0.08 | ... | -2.42+-0.08 | 0.47+-0.08 | 3.92+-0.08 | Ca I |
| Sc II | 3 | ... | 0.35+-0.03 | ... | -2.61+-0.03 | 0.28+-0.03 | 0.54+-0.03 | Sc II |
| Ti I | 3 | ... | 0.60+-0.06 | ... | -2.27+-0.06 | 0.62+-0.06 | 2.68+-0.06 | Ti I |
| Ti II | 9 | ... | 0.41+-0.06 | ... | -2.46+-0.06 | 0.43+-0.06 | 2.49+-0.06 | Ti II |
| V I | 1 | ... | 0.36 | ... | -2.48 | 0.41 | 1.45 | V I |
| Cr I | 4 | ... | -0.26+-0.07 | ... | -3.14+-0.07 | -0.25+-0.07 | 2.50+-0.07 | Cr I |
| Cr II | 1 | ... | 0.55 | ... | -2.33 | 0.56 | 3.31 | Cr II |
| Mn I | 2 | ... | -0.65+-0.06 | ... | -3.60+-0.06 | -0.71+-0.06 | 1.83+-0.06 | Mn I |
| Fe I | 84 | -2.91+-0.10 | ... | ... | -2.89+-0.10 | ... | 4.61+-0.10 | Fe I |
| Fe II | 8 | -2.84+-0.09 | ... | ... | -2.82+-0.09 | ... | 4.68+-0.09 | Fe II |
| Co I | 1 | ... | 0.33 | ... | -2.65 | 0.24 | 2.34 | Co I |
| Sr II | 2 | ... | 0.55+-0.03 | ... | -2.33+-0.03 | 0.56+-0.03 | 0.54+-0.03 | Sr II |
| Y II | 1 | ... | 0.11 | ... | -2.77 | 0.12 | -0.56 | Y II |
| Ba II | 4 | ... | 0.09+-0.14 | ... | -2.87+-0.14 | 0.02+-0.14 | -0.69+-0.14 | Ba II |
| La II | 2 | ... | <0.29 | ... | <-2.57 | <0.32 | <-1.47 | La II |
| Eu II | 2 | ... | 0.63+-0.15 | ... | -2.29+-0.15 | 0.60+-0.15 | -1.77+-0.15 | Eu II |
Binary Parameters
Position
| Right Ascension : 20 42 05.04 | Declination : -23 49 12.7 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2003-10-09-1248 | N/A | MIKELCO | 40000 | 160 | 4400 | N/A |
A SEARCH FOR STARS OF VERY LOW METAL ABUNDANCE. VI. DETAILED ABUNDANCES OF 313 METAL-POOR STARS
Stellar Parameters
| Teff : 5520+-48 | log g : 1.35+-0.27 | vturb : 2.2+-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 | ... | ... | <0.96 | <-2.30 | <0.80 | <0.96 | Li I |
| CH | 1 | ... | 0.05+-0.25 | 5.83 | -2.60 | 0.50+-0.25 | 5.83 | CH |
| NH | 1 | ... | <1.92 | <6.65 | <-1.18 | <1.92 | <6.65 | NH |
| O I | 3 | ... | 0.62+-0.18 | 6.22 | -2.47 | 0.63+-0.18 | 6.22 | O I |
| Mg I | 6 | ... | 0.60+-0.17 | 5.11 | -2.49 | 0.61+-0.17 | 5.11 | Mg I |
| Al I | 2 | ... | -0.58+-0.20 | 2.78 | -3.67 | -0.57+-0.20 | 2.78 | Al I |
| Si I | 1 | ... | 0.37+-0.30 | 4.78 | -2.73 | 0.37+-0.30 | 4.78 | Si I |
| Ca I | 14 | ... | 0.56+-0.19 | 3.81 | -2.53 | 0.57+-0.19 | 3.81 | Ca I |
| Sc II | 4 | ... | 0.01+-0.15 | 0.06 | -3.09 | 0.01+-0.15 | 0.06 | Sc II |
| Ti I | 8 | ... | 0.57+-0.17 | 2.43 | -2.52 | 0.58+-0.17 | 2.43 | Ti I |
| Ti II | 24 | ... | 0.27+-0.15 | 2.13 | -2.82 | 0.28+-0.15 | 2.13 | Ti II |
| V II | 2 | ... | 0.21+-0.25 | 1.05 | -2.88 | 0.22+-0.25 | 1.05 | V II |
| Cr I | 6 | ... | -0.11+-0.18 | 2.44 | -3.20 | -0.10+-0.18 | 2.44 | Cr I |
| Cr II | 1 | ... | 0.18+-0.16 | 2.72 | -2.92 | 0.18+-0.16 | 2.72 | Cr II |
| Mn I | 3 | ... | -0.38+-0.17 | 1.95 | -3.48 | -0.38+-0.17 | 1.95 | Mn I |
| Mn II | 2 | ... | -0.48+-0.21 | 1.86 | -3.57 | -0.47+-0.21 | 1.86 | Mn II |
| Fe I | 100 | -3.10+-0.17 | ... | 4.40 | -3.10+-0.17 | ... | 4.40 | Fe I |
| Fe II | 11 | -3.10+-0.16 | ... | 4.40 | -3.10+-0.16 | ... | 4.40 | Fe II |
| Co I | 2 | ... | 0.15+-0.20 | 2.05 | -2.94 | 0.16+-0.20 | 2.05 | Co I |
| Ni I | 4 | ... | 0.00+-0.20 | 3.12 | -3.10 | -0.00+-0.20 | 3.12 | Ni I |
| Zn I | 2 | ... | <0.68 | <2.14 | <-2.42 | <0.68 | <2.14 | Zn I |
| Rb I | 1 | ... | <2.92 | <2.34 | <-0.02 | <3.08 | <2.34 | Rb I |
| Sr II | 2 | ... | 0.40+-0.26 | 0.17 | -2.70 | 0.40+-0.26 | 0.17 | Sr II |
| Y II | 4 | ... | -0.15+-0.18 | -1.03 | -3.24 | -0.14+-0.18 | -1.03 | Y II |
| Zr II | 3 | ... | 0.40+-0.17 | -0.12 | -2.70 | 0.40+-0.17 | -0.12 | Zr II |
| Nb II | 1 | ... | <2.02 | <0.38 | <-1.08 | <2.02 | <0.38 | Nb II |
| Mo I | 1 | ... | <1.87 | <0.65 | <-1.23 | <1.87 | <0.65 | Mo I |
| Tc I | 1 | ... | ... | <0.92 | <0.92 | <4.02 | <0.92 | Tc I |
| Ba II | 3 | ... | -0.23+-0.15 | -1.15 | -3.33 | -0.23+-0.15 | -1.15 | Ba II |
| La II | 1 | ... | 0.19+-0.24 | -1.81 | -2.91 | 0.19+-0.24 | -1.81 | La II |
| Ce II | 4 | ... | <0.31 | <-1.21 | <-2.79 | <0.31 | <-1.21 | Ce II |
| Pr II | 5 | ... | <1.02 | <-1.36 | <-2.08 | <1.02 | <-1.36 | Pr II |
| Sm II | 1 | ... | <1.03 | <-1.11 | <-2.07 | <1.03 | <-1.11 | Sm II |
| Eu II | 3 | ... | 0.34+-0.18 | -2.23 | -2.75 | 0.35+-0.18 | -2.23 | Eu II |
| Gd II | 2 | ... | <1.18 | <-0.85 | <-1.92 | <1.18 | <-0.85 | Gd II |
| Tb II | 3 | ... | <1.52 | <-1.28 | <-1.60 | <1.50 | <-1.28 | Tb II |
| Dy II | 1 | ... | 0.44+-0.23 | -1.56 | -2.66 | 0.44+-0.23 | -1.56 | Dy II |
| Er II | 2 | ... | <1.04 | <-1.14 | <-2.06 | <1.04 | <-1.14 | Er II |
| Tm II | 2 | ... | <1.42 | <-1.58 | <-1.70 | <1.40 | <-1.58 | Tm II |
| Yb II | 1 | ... | 0.04+-0.32 | -2.14 | -3.06 | 0.04+-0.32 | -2.14 | Yb II |
| Hf II | 2 | ... | <1.74 | <-0.51 | <-1.22 | <1.88 | <-0.51 | Hf II |
| Pb I | 1 | ... | <2.18 | <1.12 | <-0.92 | <2.18 | <1.12 | Pb I |
| Th II | 2 | ... | <1.64 | <-1.40 | <-1.46 | <1.64 | <-1.40 | Th II |
Binary Parameters
| Binarity | Negative |
| Vrad | -9.3 |
Position
| Right Ascension : 20 42 05.04 | Declination : -23 49 12.7 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2003-06-12-04:42 | 2452802.7 | MIKEBAADE | 41000 | 115-260 | 4400 | -9.2 |
| 2003-10-09-01:27 | 2452921.563 | MIKELCO | 41000 | 115-260 | 6000 | -9.7 |
| 2010-09-17-23:18 | 2455457.475 | MIKELCO | 41000 | 115-260 | 4400 | -9.1 |