CS22873-139A
Element abundance ratios in an extremely metal-poor binary star: CS 22873-139
Teff : 6300 | log g : 4.2 | vturb : 1.3 |
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 | N/A | -3.93 | ... | 2.40 | -3.84 | -0.47 | 2.40 | Na I |
Mg I | N/A | -3.41 | ... | 4.17 | -3.43 | -0.06 | 4.17 | Mg I |
Al I | N/A | -4.17 | ... | 2.30 | -4.15 | -0.78 | 2.30 | Al I |
Ca I | N/A | -3.36 | ... | 3.15 | -3.19 | 0.18 | 3.15 | Ca I |
Ti II | N/A | -2.85 | ... | 2.17 | -2.78 | 0.59 | 2.17 | Ti II |
Fe I | N/A | -3.37 | ... | 4.13 | -3.37 | ... | 4.13 | Fe I |
Fe II | N/A | -3.40 | ... | 4.13 | -3.37 | ... | 4.13 | Fe II |
Sr II | N/A | <-4.47 | ... | <-1.50 | <-4.37 | <-1.00 | <-1.50 | Sr II |
Binarity | Positive |
Vrad | 235.26+-0.39 |
Period | 19.166 |
Right Ascension : 20 05 55.15 | Declination : -59 17 11.4 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Date of Observation | 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 |