| Title | STELLAR ARCHAEOLOGY: A KECK PILOT PROGRAM ON EXTREMELY METAL-POOR STARS FROM THE HAMBURG/ESO SURVEY. III. THE LEAD (Pb) STAR HE 0024-2523 |
| ADS | S.Lucatello et al.,AJ, 125, 875, 2003 |
| Authors | S. Lucatello, R. Gratton, J. G. Cohen, T. C. Beers, N. Christlieb, E. Carretta, S. Ramirez |
| Object | Comment | S | O |
|---|---|---|---|
| HE0024-2523 | N/A | S | O |
S: Find this object in SIMBAD
O: Find this object in Other papers
| Teff : 6625 | log g : 4.3 | vturb : 1.4 |
| Element | Nline | [X/H] | [X/Fe] | log-e |
|---|---|---|---|---|
| Li | ... | 0.34+-0.1 | 3.06+-0.1 | 1.5+-0.1 |
| CH | ... | -0.12+-0.1 | 2.6+-0.1 | 8.43+-0.1 |
| CN | ... | -0.62+-0.1 | 2.1+-0.1 | 7.35+-0.1 |
| O I | ... | -2.32 | 0.40 | 6.55 |
| Na I | ... | -2.89+-0.13 | -0.17+-0.13 | 3.44+-0.13 |
| Mg I | ... | -1.99+-0.06 | 0.73+-0.06 | 5.59+-0.06 |
| Al I | ... | -3.07 | -0.35 | 3.40 |
| Si I | ... | -2.38 | 0.34 | 5.17 |
| Ca I | ... | -2.06+-0.17 | 0.66+-0.17 | 4.30+-0.17 |
| Sc II | ... | -2.35+-0.14 | 0.37+-0.14 | 0.82+-0.14 |
| Ti I | ... | -1.87+-0.1 | 0.85+-0.10 | 3.15+-0.1 |
| Ti II | ... | -2.57+-0.05 | 0.15+-0.05 | 2.45+-0.05 |
| Cr I | ... | -3.13+-0.15 | -0.41+-0.15 | 2.54+-0.15 |
| Mn I | ... | -2.98+-0.06 | -0.26+-0.06 | 2.41+-0.06 |
| Fe I | ... | -2.72+-0.12 | ... | 4.78+-0.12 |
| Fe II | ... | -2.67+-0.14 | ... | 4.83+-0.14 |
| Sr II | ... | -2.38+-0.24 | 0.34+-0.24 | 0.59+-0.24 |
| Y II | ... | <-1.81 | <0.91 | <0.43 |
| Zr II | ... | <-1.50 | <1.22 | <1.10 |
| Ba II | ... | -1.26+-0.2 | 1.46+-0.20 | 0.87+-0.2 |
| La I | ... | -0.92+-0.2 | 1.8+-0.2 | 0.25+-0.2 |
| Eu I | ... | <-1.62+-0.1 | <1.1+-0.1 | <-1.11+-0.1 |
| Pb I | ... | 0.58+-0.1 | 3.3+-0.1 | 2.53+-0.1 |
| 12C/13C | 6+-1 |
| Binarity | Positive |
| Vrad | -185.0 |
| Period | 3.14 |
| Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|---|---|---|---|---|---|
| 2000-09-24 | 2451811.386 | KECKHIRES | 45000 | 40 | 1200 | -185.0+-0.4 |
| 2000-09-24 | 2451811.397 | KECKHIRES | 45000 | 40 | 1200 | -183.6+-0.8 |
| 2000-09-24 | 2451811.412 | KECKHIRES | 45000 | 40 | 1200 | -186.6+-0.7 |
| 2000-09-24 | 2451811.427 | KECKHIRES | 45000 | 40 | 1200 | -187.4+-1.1 |
| 2000-09-24 | 2451811.442 | KECKHIRES | 45000 | 40 | 1200 | -189.6+-0.3 |
| 2001-08-27 | 2452148.352 | VLT | 50000 | 80 | 3600 | -127.0+-0.5 |
| 2001-09-27 | 2452179.398 | KECKHIRES | 45000 | 40 | 1200 | -135.8+-1.1 |
| 2001-09-30 | 2452182.365 | KECKHIRES | 45000 | 40 | 1200 | -125.6+-1.2 |
| 2001-10-23 | 2452205.017 | VLT | 50000 | 30 | 600 | -218.2+-0.7 |
| 2001-10-23 | 2452206.014 | VLT | 50000 | 40 | 1800 | -136.2+-0.4 |
| 2001-10-25 | 2452207.010 | VLT | 50000 | 20 | 600 | -160.8+-0.6 |
| 2001-10-25 | 2452207.241 | HALE | 3500 | 30 | 400 | -186.2+-5.0 |
| 2001-10-26 | 2452208.161 | VLT | 50000 | 35 | 1800 | -228.6+-0.5 |
| 2001-10-26 | 2452208.251 | HALE | 3500 | 30 | 400 | -227.8+-5.0 |
| 2001-10-27 | 2452209.218 | HALE | 3500 | 30 | 400 | -145.6+-5.0 |
| 2001-10-28 | 2452210.021 | VLT | 50000 | 20 | 600 | -133.9+-0.8 |
| 2001-10-28 | 2452210.216 | HALE | 3500 | 30 | 400 | -140.1+-5.0 |
| 2001-10-28 | 2452210.255 | VLT | 50000 | 20 | 600 | -148.2+-0.9 |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
| V : 14.91 |