Title | Element abundance ratios in an extremely metal-poor binary star: CS 22873-139 |
ADS | M.Spite et al.,AAP, 360, 1077, 2000 |
Authors | M. Spite, E. Depagne, B. Nordstrom, V. Hill, R. Cayrel, F. Spite, T. C. Beers |
Object | Comment | S | O |
---|---|---|---|
BPS CS22873-139A | N/A | S | O |
BPS CS22873-139B | N/A | S | O |
S: Find this object in SIMBAD
O: Find this object in Other papers
Teff : 6300 | log g : 4.2 | vturb : 1.3 |
Element | Nline | [X/H] | [X/Fe] | log-e |
---|---|---|---|---|
Na I | ... | -3.93 | -0.56 | 2.40 |
Mg I | ... | -3.41 | -0.04 | 4.17 |
Al I | ... | -4.17 | -0.80 | 2.30 |
Ca I | ... | -3.36 | 0.01 | 3.15 |
Ti II | ... | -2.85 | 0.52 | 2.17 |
Fe I | ... | -3.37 | ... | 4.13 |
Fe II | ... | -3.40 | ... | 4.13 |
Sr II | ... | <-4.47 | <-1.10 | <-1.50 |
Binarity | Positive |
Vrad | 235.26+-0.39 |
Period | 19.166 |
Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
---|---|---|---|---|---|---|
1997-10-18 | 2450739.6 | EMMIESO | 50000 | 110 | 120min | 254.8 |
1997-10-20 | 2450741.6 | EMMIESO | 50000 | 120 | 120min | 263.1 |
1998-10-11 | 2451097.6 | CASPECESO | 16000 | 100 | 120min | 220.6 |
1998-10-12 | 2451098.6 | CASPECESO | 16000 | 100 | 120min | 224.3 |
1999-07-21 | 2451380.7 | FEROSESO | 35 | 90min | 215.3 | |
1999-08-01 | 2451391.7 | FEROSESO | 40 | 90min | 257.4 | |
1999-08-11 | 2451401.7 | EMMIESO | 50000 | 130 | 180min | 212.2 |
Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
Teff : 5750 | log g : 4.5 | vturb : 1.3 |
Element | Nline | [X/H] | [X/Fe] | log-e |
---|---|---|---|---|
Na I | ... | -3.93 | -0.56 | 2.40 |
Mg I | ... | -3.41 | -0.04 | 4.17 |
Al I | ... | -4.17 | -0.80 | 2.30 |
Ca I | ... | -3.36 | 0.01 | 3.15 |
Ti II | ... | -2.85 | 0.52 | 2.17 |
Fe I | ... | -3.37 | ... | 4.13 |
Fe II | ... | -3.40 | ... | 4.13 |
Sr II | ... | <-4.47 | <-1.10 | <-1.50 |
Binarity | Positive |
Vrad | 235.26+-0.39 |
Period | 19.166 |
Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
---|---|---|---|---|---|---|
1997-10-18 | 2450739.6 | EMMIESO | 50000 | 110 | 120min | 213.8 |
1997-10-20 | 2450741.6 | EMMIESO | 50000 | 120 | 120min | 201.5 |
1998-10-11 | 2451097.6 | CASPECESO | 16000 | 100 | 120min | 258.3 |
1998-10-12 | 2451098.6 | CASPECESO | 16000 | 100 | 120min | 253.0 |
1999-07-21 | 2451380.7 | FEROSESO | 35 | 90min | 256.1 | |
1999-08-01 | 2451391.7 | FEROSESO | 40 | 90min | 212.5 | |
1999-08-11 | 2451401.7 | EMMIESO | 50000 | 130 | 180min | 259.2 |
Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |