WD 0222+004
All names: SDSS J022435.45+003857.5, Gaia DR2 2501278692790453760, GALEX J022435.5+003858, SDSS J022435.46+003857.3, [MMN2004c] WD J0224+0038, SDSS J022435.47+003857.5, Gaia DR3 2501278692790453760, WD 0222+004, Gaia EDR3 2501278692790453760, SDSS J022435.46+003857.4, SDSS J022435.46+003857.5, USNO-A2.0 0900-00560150
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Mukadam et al. 2004 | Vincent et al. 2024 | 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 24 35.51 (0.2) | 02 24 35.47 | 02 24 35.51 (0.3) | 02 24 35.51 | 02 24 35.47 (0.2) | 02 24 35.47 | 02 24 35.11 | 02 24 35.46 | 02 24 35.46 | |||||||
| Declination | 00 38 57.62 (0.2) | 00 38 57.46 | 00 38 57.61 (0.2) | 00 38 57.62 | 00 38 57.48 (0.2) | 00 38 57.43 | 00 38 56.76 | 00 38 57.51 | 00 38 57.52 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA5.1 | DA | DA | ||||||||
| Effective temperature | [K] | 8555.0 | 9730.0 (100) | 9790.0 (80) | 9284.0 (358) | 9785.0 (76) | 9372.0 (77) | 9809.0 (67) | ||||||||
| log(g) | [cgs] | 6.65 | 8.21 (0.1) | 8.11 (0.1) | 6.91 (0.1) | 8.11 (0.1) | 7.88 (0.1) | 8.31 (0.09) | ||||||||
| Mass | [M☉] | 0.14 | 0.73 (0.07) | 0.196 (0.03) | ||||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 0.9120 | ||||||||||||||
| 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] | 2.53 (0.2) | 2.45 (0.3) | 2.53 | 2.53 (0.2) | |||||||||||
| Distance | [pc] | 394.88 (35) | 407.33 (53) | 394.88 | 394.88 (35) | |||||||||||
| Composition | H | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 39.20023329 (0.3) | 39.25897702 (0.5) | 39.2 (0.3) | 35.6 | 34.0 | ||||||||||
| Proper motion (declination) | [mas/yr] | 8.619836072 (0.2) | 8.897604769 (0.5) | 8.62 (0.2) | 4.9 | 6.0 | ||||||||||
| Variability | NOV | |||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 18.30 (0.3) | |||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | 18.80 (0.3) | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 18.80 (0.1) | |||||||||||||||
| H magnitude | 18.70 (0.2) | |||||||||||||||
| K magnitude | ||||||||||||||||
| u magnitude | 19.40 (0.03) | 19.40 (0.03) | 19.50 (0.03) | 19.50 | 19.50 (0.03) | 19.50 (0.04) | ||||||||||
| g magnitude | 18.96 (0.009) | 19.06 | 18.96 (0.009) | 18.98 (0.02) | 18.99 | 18.97 (0.02) | 18.99 (0.03) | |||||||||
| r magnitude | 19.02 (0.01) | 19.02 (0.01) | 19.01 (0.02) | 19.01 | 19.00 (0.02) | 19.01 (0.02) | ||||||||||
| i magnitude | 19.08 (0.02) | 19.08 (0.01) | 19.09 (0.02) | 19.09 | 19.08 (0.02) | 19.09 (0.02) | ||||||||||
| z magnitude | 19.22 (0.05) | 19.22 (0.05) | 19.26 (0.05) | 19.27 | 19.24 (0.05) | 19.27 (0.05) | ||||||||||
| G magnitude | 18.93 (0.05) | 18.97 | 18.93 | 18.93 (0.004) | ||||||||||||
| BP magnitude | 18.99 (0.05) | 19.11 | ||||||||||||||
| RP magnitude | 18.83 (0.04) | 18.90 | ||||||||||||||
| Pan g magnitude | 18.98 (0.006) | |||||||||||||||
| Pan r magnitude | 19.01 (0.01) | |||||||||||||||
| Pan i magnitude | 19.09 (0.008) | |||||||||||||||
| Pan z magnitude | 19.21 (0.02) | |||||||||||||||
| Pan y magnitude | 19.27 (0.03) | |||||||||||||||
| E(B-V) | 0.030 | |||||||||||||||
* Constant surface field
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