HE1201-1512
taken from 3 paper(s):
/J.E.Norris et al.(2013)/
/D.Yong et al.(2013)/
/A.Arentsen et al.(2019)/
The Most Metal-poor Stars. I. Discovery, Data, and Atmospheric Parameters
Stellar Parameters
| Teff : 5725+-62 | log g : 4.2 |
Position
| Right Ascension : 12 03 37.00 | Declination : -15 29 33.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2007-6 | 2454272.478 | MIKELCO | 31000-39000 | 100 | 238.7 | N/A |
| 2007-6 | 2454272.505 | MIKELCO | 31000-39000 | 100 | 238.9 | N/A |
| 2008-3 | 2454551.981 | KECKHIRES | 49000 | 100 | 237.2 | N/A |
| 2008-3 | 2454552.002 | KECKHIRES | 49000 | 100 | 237.3 | N/A |
THE MOST METAL-POOR STARS. II. CHEMICAL ABUNDANCES OF 190 METAL-POOR STARS INCLUDING 10 NEW STARS WITH [Fe/H] <-3.
Stellar Parameters
| Teff : 5725 | log g : 3.39 | 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 | N/A | ... | 1.14 | 5.71 | -2.72 | 1.14 | 5.71 | C |
| N | N/A | ... | <1.23 | <5.20 | <-2.63 | <1.23 | <5.20 | N |
| Na | 2 | ... | -0.35+-0.15 | 2.03+-0.15 | -4.21+-0.15 | -0.35+-0.15 | 2.03+-0.15 | Na |
| Mg | 4 | ... | 0.2+-0.11 | 3.94+-0.11 | -3.66+-0.11 | 0.20+-0.11 | 3.94+-0.11 | Mg |
| Al | 1 | ... | -0.73 | 1.86 | -4.59 | -0.73 | 1.86 | Al |
| Ca | 1 | ... | 0.05 | 2.53 | -3.81 | 0.05 | 2.53 | Ca |
| Sc | 1 | ... | 0.31 | -0.4 | -3.55 | 0.31 | -0.4 | Sc |
| Cr | 1 | ... | -0.5 | 1.28 | -4.36 | -0.50 | 1.28 | Cr |
| Mn | 1 | ... | -0.59 | 0.98 | -4.45 | -0.59 | 0.98 | Mn |
| Fe I | 45 | -3.86+-0.1 | ... | 3.64+-0.1 | -3.86+-0.1 | ... | 3.64+-0.1 | Fe I |
| Co | 1 | ... | 0.83 | 1.96 | -3.03 | 0.83 | 1.96 | Co |
| Ni | 2 | ... | 0.19+-0.15 | 2.55+-0.15 | -3.67+-0.15 | 0.19+-0.15 | 2.55+-0.15 | Ni |
| Sr | 1 | ... | <-0.87 | <-1.86 | <-4.73 | <-0.87 | <-1.86 | Sr |
| Ba | 1 | ... | <0.05 | <-1.63 | <-3.81 | <0.05 | <-1.63 | Ba |
Position
| Right Ascension : 12 03 37.00 | Declination : -15 29 33.0 | 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 | VLT | N/A | N/A | N/A | N/A |
Binarity among CEMP-no stars: an indication of multiple formation pathways?
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 | ... | 1.14 | 5.71 | -2.72 | 1.14 | 5.71 | C |
| Fe | N/A | -3.86 | ... | ... | -3.86 | ... | 3.64 | Fe |
| Ba | N/A | ... | <0.05 | ... | <-3.81 | <0.05 | <-1.63 | Ba |
Binary Parameters
| Binarity | Negative |
| Vrad | 238.91+-2.51 |
Position
| Right Ascension : 12 03 37.1 | Declination : -15 29 32 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2014-01-12-040447 | 2456669.67 | GECKOCFHT | 68000 | N/A | N/A | 239.8+-1.32 |
| 2014-01-12-040447 | 2456669.67 | GECKOCFHT | 68000 | N/A | N/A | 237.06+-1.7 |
| 2014-02-09-012624 | 2456697.56 | GECKOCFHT | 68000 | N/A | N/A | 240.11+-0.52 |
| 2014-04-12-181423 | 2456760.26 | GECKOCFHT | 68000 | N/A | N/A | 240.07+-0.79 |
| 2015-02-04-231648 | 2457058.47 | SALTHRS | 16000 | N/A | N/A | 235.18+-3.34 |
| 2015-04-28-174536 | 2457141.24 | SALTHRS | 16000 | N/A | N/A | 239.26+-6.04 |