WD 1227-009A
All names: WD 1227-009A, 2QZ J123033.4-011543, SDSS J123033.48-011542.0, WD 1227-009.1, Gaia DR2 3695567814860240384, SDSS J123033.48-011541.9, PSO J123033.479-011541.830
| Parameter | Unit | MWDD H | Pan-STARRS DR1 | Gaia DR2 | Tremblay et al. 2011 | SDSS DR12 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 30 33.48 (0.2) | 12 30 33.48 | 12 30 33.48 | 12 30 33.48 | 12 30 32.93 | 12 30 33.48 | 12 30 33.48 | ||||
| Declination | -01 15 41.92 (0.2) | -01 15 42.00 | -01 15 42.03 | -01 15 42.03 | -01 15 39.96 | -01 15 41.94 | -01 15 41.94 | ||||
| Spectral type | DA | DA | DA | DA | DA3.1 | DA | |||||
| Effective temperature | [K] | 14425.0 | 17380.0 (570) | 16175.0 (301) | 16487.0 (318) | 16342.0 (297) | |||||
| log(g) | [cgs] | 7.55 | 8.12 (0.1) | 7.84 (0.07) | 7.93 (0.07) | 7.87 (0.07) | |||||
| Mass | [M☉] | 0.39399999999999996 | 0.69 (0.06) | 0.579 (0.03) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.1192 | 0.1698 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| log(C/H) | |||||||||||
| log(N/H) | |||||||||||
| log(O/H) | |||||||||||
| log(Na/H) | |||||||||||
| log(Mg/H) | |||||||||||
| log(Al/H) | |||||||||||
| log(Si/H) | |||||||||||
| log(P/H) | |||||||||||
| log(S/H) | |||||||||||
| log(Sc/H) | |||||||||||
| log(Ti/H) | |||||||||||
| log(Cr/H) | |||||||||||
| log(Mn/H) | |||||||||||
| log(Fe/H) | |||||||||||
| log(Ni/H) | |||||||||||
| Parallax | [mas] | 2.36 (0.3) | |||||||||
| Distance | [pc] | 423.20 (55) | |||||||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -3.353694675 (0.7) | -3.0 | 3.0 | 2.0 | ||||||
| Proper motion (declination) | [mas/yr] | 2.496117682 (0.4) | 2.0 | 3.5 | 3.0 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 19.50 | ||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.95 (0.02) | 18.97 | 18.98 (0.03) | 18.95 | 18.97 (0.03) | 18.95 (0.03) | |||||
| g magnitude | 18.72 (0.008) | 18.70 | 18.71 (0.03) | 18.71 | 18.70 (0.03) | 18.71 (0.03) | |||||
| r magnitude | 19.01 (0.01) | 19.01 | 19.01 (0.02) | 19.01 | 19.01 (0.02) | 19.01 (0.02) | |||||
| i magnitude | 19.28 (0.02) | 19.28 | 19.28 (0.03) | 19.27 | 19.28 (0.03) | 19.27 (0.03) | |||||
| z magnitude | 19.83 (0.1) | 19.80 | 19.80 (0.1) | 19.79 | 19.81 (0.1) | 19.79 (0.1) | |||||
| G magnitude | 18.94 | ||||||||||
| BP magnitude | 18.84 | ||||||||||
| RP magnitude | 18.95 | ||||||||||
| Pan g magnitude | 18.75 (0.006) | ||||||||||
| Pan r magnitude | 19.04 (0.008) | ||||||||||
| Pan i magnitude | 19.31 (0.02) | ||||||||||
| Pan z magnitude | 19.56 (0.01) | ||||||||||
| Pan y magnitude | 19.65 (0.03) | ||||||||||
* Constant surface field
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