WD 0939+577
All names: GALEX J094253.3+573224, WD 0939+577, Gaia DR3 1025370974599965696, SDSS J094253.38+573224.4, Gaia EDR3 1025370974599965696, SDSS J094253.37+573224.4, Gaia DR2 1025370974599965696
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 42 53.36 (0.6) | 09 42 53.38 | 09 42 53.36 (1) | 09 42 53.39 (0.6) | 09 42 53.38 | 09 42 52.82 | 09 42 53.37 | 09 42 53.37 | ||||
| Declination | 57 32 24.24 (0.5) | 57 32 24.40 | 57 32 24.25 (1) | 57 32 24.35 (0.5) | 57 32 24.43 | 57 32 22.56 | 57 32 24.39 | 57 32 24.40 | ||||
| Spectral type | DA | DA | DA | DA3.1 | DA | DA | ||||||
| Effective temperature | [K] | 29943.0 | 16133.0 (790) | 15190.0 (746) | 16169.0 (794) | |||||||
| log(g) | [cgs] | 9.88 | 7.48 (0.3) | 7.64 (0.3) | 7.47 (0.3) | |||||||
| Mass | [M☉] | 1.605 | 0.463 (0.1) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.2807 | ||||||||||
| 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] | 1.13 (0.8) | 4.06 (2) | 1.13 (0.8) | ||||||||
| Distance | [pc] | 883.58 (593) | 246.09 (107) | 883.55 (593) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -14.15577767 (0.7) | -7.393814509 (3) | -14.156 (0.7) | -12.0 | -15.0 | ||||||
| Proper motion (declination) | [mas/yr] | -6.624257135 (0.7) | -7.67425415 (2) | -6.624 (0.7) | -5.5 | -4.0 | ||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.65 (0.07) | 20.65 (0.07) | 20.71 (0.06) | 20.71 | 20.73 (0.06) | 20.71 (0.06) | ||||||
| g magnitude | 20.46 (0.02) | 20.46 (0.02) | 20.43 (0.03) | 20.42 | 20.43 (0.03) | 20.42 (0.03) | ||||||
| r magnitude | 20.73 (0.04) | 20.73 (0.04) | 20.71 (0.04) | 20.72 | 20.71 (0.04) | 20.72 (0.04) | ||||||
| i magnitude | 21.05 (0.08) | 20.98 (0.08) | 21.00 (0.07) | 21.00 | 21.01 (0.07) | 21.00 (0.07) | ||||||
| z magnitude | 21.60 (0.5) | 21.49 (0.3) | 21.54 (0.3) | 21.50 | 21.54 (0.3) | 21.50 (0.3) | ||||||
| G magnitude | 20.55 (0.07) | 20.63 | 20.55 (0.008) | |||||||||
| BP magnitude | 20.52 (0.07) | 20.46 | ||||||||||
| RP magnitude | 20.35 (0.1) | 20.34 | ||||||||||
| Pan g magnitude | ||||||||||||
| Pan r magnitude | ||||||||||||
| Pan i magnitude | ||||||||||||
| Pan z magnitude | ||||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.025 | |||||||||||
* Constant surface field
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