SDSS J221801.03+003434.5
All names: SDSS J221801.03+003434.5, Gaia DR3 2679160123473244032, SDSS J221801.04+003434.6, WD 2215+003, SDSS J221801.03+003434.4, GALEX J221801.0+003434, Gaia DR2 2679160123473244032, Gaia EDR3 2679160123473244032
| 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 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 18 01.04 (0.4) | 22 18 01.04 | 22 18 01.04 (0.6) | 22 18 01.04 (0.4) | 22 18 01.04 | 22 18 00.55 | 22 18 01.04 | |||||
| Declination | 00 34 34.39 (0.3) | 00 34 34.41 | 00 34 34.39 (0.6) | 00 34 34.56 (0.3) | 00 34 34.53 | 00 34 32.16 | 00 34 34.57 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 11390.0 | 14715.0 (687) | 14566.0 (1465) | ||||||||
| log(g) | [cgs] | 7.66 | 7.66 (0.1) | 7.86 (0.2) | ||||||||
| Mass | [M☉] | 0.427 | 0.54 (0.1) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.2825 | ||||||||||
| 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] | 2.11 (0.4) | 2.06 (0.7) | 2.11 (0.4) | ||||||||
| Distance | [pc] | 474.72 (98) | 485.84 (162) | 474.72 (98) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -1.874957802 (0.4) | -0.577320046 (1) | -1.875 (0.4) | 1.7 | |||||||
| Proper motion (declination) | [mas/yr] | -10.66457096 (0.4) | -10.64744776 (0.8) | -10.665 (0.4) | -21.3 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.97 (0.04) | 19.97 (0.04) | 20.02 (0.04) | 20.02 | 20.04 (0.04) | |||||||
| g magnitude | 19.63 (0.01) | 19.63 (0.01) | 19.68 (0.02) | 19.67 | 19.69 (0.02) | |||||||
| r magnitude | 19.84 (0.02) | 19.84 (0.02) | 19.90 (0.02) | 19.89 | 19.90 (0.02) | |||||||
| i magnitude | 20.09 (0.03) | 20.09 (0.03) | 20.06 (0.03) | 20.05 | 20.06 (0.03) | |||||||
| z magnitude | 20.22 (0.1) | 20.22 (0.1) | 20.42 (0.1) | 20.41 | 20.41 (0.1) | |||||||
| G magnitude | 19.76 (0.08) | 19.81 | 19.76 (0.005) | |||||||||
| BP magnitude | 19.98 (0.08) | 19.94 | ||||||||||
| RP magnitude | 19.86 (0.09) | 19.82 | ||||||||||
| Pan g magnitude | 19.69 (0.007) | |||||||||||
| Pan r magnitude | 19.86 (0.007) | |||||||||||
| Pan i magnitude | 20.11 (0.01) | |||||||||||
| Pan z magnitude | 20.22 (0.05) | |||||||||||
| Pan y magnitude | 19.84 (0.2) | |||||||||||
| E(B-V) | 0.082 | |||||||||||
* Constant surface field
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