WD 0938+028A
All names: WD 0938+028A, PSO J094056.428+023625.739, SDSS J094056.43+023625.7, Gaia DR2 3847445963048961920, SDSS J094056.42+023625.6, WD 0938+028.1
| Parameter | Unit | MWDD H | Pan-STARRS DR1 | Gaia DR2 | SDSS DR12 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 40 56.43 (1) | 09 40 56.42 | 09 40 56.43 | 09 40 56.43 | 09 40 55.56 | 09 40 56.43 | 09 40 56.43 | |||
| Declination | 02 36 25.82 (0.8) | 02 36 25.70 | 02 36 25.68 | 02 36 25.68 | 02 36 19.80 | 02 36 25.67 | 02 36 25.67 | |||
| Spectral type | DA | DA | DA | DA4.1 | DA | |||||
| Effective temperature | [K] | 9980.0 | 12326.0 (579) | 12150.0 (600) | 12423.0 (603) | |||||
| log(g) | [cgs] | 7.41 | 7.76 (0.2) | 7.88 (0.2) | 7.82 (0.2) | |||||
| Mass | [M☉] | 0.32299999999999995 | 0.544 (0.1) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.3334 | ||||||||
| 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] | 1.66 (1) | ||||||||
| Distance | [pc] | 600.62 (412) | ||||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -2.612193375 (2) | ||||||||
| Proper motion (declination) | [mas/yr] | 7.171018602 (1) | ||||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.69 (0.06) | 20.73 | 20.71 (0.07) | 20.70 | 20.69 (0.06) | 20.70 (0.07) | ||||
| g magnitude | 20.31 (0.02) | 20.32 | 20.34 (0.03) | 20.33 | 20.33 (0.03) | 20.33 (0.03) | ||||
| r magnitude | 20.45 (0.03) | 20.46 | 20.46 (0.03) | 20.45 | 20.44 (0.03) | 20.45 (0.03) | ||||
| i magnitude | 20.69 (0.06) | 20.70 | 20.71 (0.06) | 20.71 | 20.69 (0.06) | 20.71 (0.06) | ||||
| z magnitude | 20.55 (0.2) | 20.56 | 20.56 (0.2) | 20.56 | 20.55 (0.2) | 20.56 (0.2) | ||||
| G magnitude | 20.46 | |||||||||
| BP magnitude | 20.26 | |||||||||
| RP magnitude | 20.80 | |||||||||
| Pan g magnitude | 20.29 (0.03) | |||||||||
| Pan r magnitude | 20.45 (0.02) | |||||||||
| Pan i magnitude | 20.84 (0.04) | |||||||||
| Pan z magnitude | 20.76 (0.06) | |||||||||
| Pan y magnitude | ||||||||||
* Constant surface field
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