WD 0227+007
All names: SDSS J023031.56+005717.9, Gaia EDR3 2501363011588310400, Gaia DR2 2501363011588310400, SDSS J023031.56+005718.0, Gaia DR3 2501363011588310400, GALEX J023031.5+005719, SDSS J023031.56+005718.2, WD 0227+007, SDSS J023031.56+005718.1, SDSS J023031.55+005718.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | 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 | 02 30 31.57 (0.4) | 02 30 31.57 | 02 30 31.57 (0.6) | 02 30 31.56 (0.4) | 02 30 31.56 | 02 30 30.34 | 02 30 31.56 | 02 30 31.56 | |||||
| Declination | 00 57 18.22 (0.4) | 00 57 18.22 | 00 57 18.21 (0.5) | 00 57 18.11 (0.4) | 00 57 18.17 | 00 57 17.28 | 00 57 17.99 | 00 57 18.00 | |||||
| Spectral type | DA | DA+M | DA | DA3.7 | DA+M | DA | |||||||
| Effective temperature | [K] | 14305.0 | 13696.0 (387) | 13973.0 (453) | 13655.0 (388) | ||||||||
| log(g) | [cgs] | 8.34 | 7.83 (0.1) | 7.89 (0.1) | 7.83 (0.1) | ||||||||
| Mass | [M☉] | 0.819 | |||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.3843 | |||||||||||
| 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] | 2.45 (0.5) | 2.90 (0.7) | 2.45 (0.5) | |||||||||
| Distance | [pc] | 407.52 (77) | 344.49 (81) | 407.51 (77) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 10.76552627 (0.4) | 11.06909585 (1) | 10.766 (0.4) | 8.0 | 5.0 | |||||||
| Proper motion (declination) | [mas/yr] | 6.853139802 (0.5) | 7.18921333 (0.9) | 6.853 (0.5) | 4.5 | 3.0 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | ||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | 18.93 (0.2) | ||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.92 (0.04) | 19.92 (0.04) | 19.86 (0.05) | 19.88 | 19.88 (0.05) | 19.88 (0.05) | |||||||
| g magnitude | 19.52 (0.01) | 19.52 (0.01) | 19.49 (0.02) | 19.49 | 19.50 (0.02) | 19.49 (0.02) | |||||||
| r magnitude | 19.74 (0.02) | 19.74 (0.02) | 19.76 (0.03) | 19.76 | 19.76 (0.02) | 19.76 (0.03) | |||||||
| i magnitude | 19.96 (0.03) | 19.96 (0.03) | 19.97 (0.03) | 19.97 | 19.97 (0.03) | 19.97 (0.03) | |||||||
| z magnitude | 20.12 (0.1) | 20.12 (0.1) | 20.31 (0.1) | 20.30 | 20.32 (0.1) | 20.30 (0.1) | |||||||
| G magnitude | 19.63 (0.06) | 19.68 | 19.63 (0.006) | ||||||||||
| BP magnitude | 19.69 (0.06) | 19.74 | |||||||||||
| RP magnitude | 19.62 (0.07) | 19.75 | |||||||||||
| Pan g magnitude | 19.48 (0.02) | ||||||||||||
| Pan r magnitude | 19.75 (0.02) | ||||||||||||
| Pan i magnitude | 19.99 (0.01) | ||||||||||||
| Pan z magnitude | 20.12 (0.06) | ||||||||||||
| Pan y magnitude | 20.48 (0.2) | ||||||||||||
| E(B-V) | 0.029 | ||||||||||||
* Constant surface field
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