SDSS J021920.83-004520.0
All names: SDSS J021920.83-004520.0, SDSS J021920.84-004520.0, Gaia EDR3 2500697635255044096, SDSS J021920.84-004519.9, Gaia DR2 2500697635255044096, SDSS J021920.84-004520.1, GALEX J021920.7-004520, 2SLAQ J021920.83-004519.9, WD 0216-009, Gaia DR3 2500697635255044096, SDSS J021920.83-004519.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | 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 19 20.85 (0.4) | 02 19 20.84 | 02 19 20.85 (0.4) | 02 19 20.84 (0.4) | 02 19 20.84 | 02 19 20.18 | 02 19 20.84 | 02 19 20.84 | ||||||
| Declination | -00 45 20.44 (0.3) | -00 45 20.04 | -00 45 20.43 (0.5) | -00 45 19.96 (0.3) | -00 45 19.98 | -00 45 14.04 | -00 45 19.91 | -00 45 19.91 | ||||||
| Spectral type | DA | DA | DA5 | DA | DA5.4 | DA | DA | |||||||
| Effective temperature | [K] | 8831.0 | 9340.0 (130) | 9345.0 (114) | 9099.0 (123) | 9368.0 (111) | ||||||||
| log(g) | [cgs] | 7.23 | 8.65 (0.1) | 8.74 (0.2) | 7.80 (0.2) | 8.78 (0.2) | ||||||||
| Mass | [M☉] | 0.263 | 1.01 (0.09) | |||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.3987 | 2.3988 | |||||||||||
| 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] | 2.64 (0.5) | 2.30 (0.6) | 2.64 (0.5) | ||||||||||
| Distance | [pc] | 379.44 (69) | 433.93 (122) | 379.43 (69) | ||||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 8.241494846 (0.5) | 8.39368601 (0.9) | 8.241 (0.5) | 2.8 | 1.0 | ||||||||
| Proper motion (declination) | [mas/yr] | -30.06629422 (0.4) | -30.43631832 (0.9) | -30.066 (0.4) | -26.9 | -28.0 | ||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 20.17 (0.04) | 20.17 (0.04) | 20.16 (0.06) | 20.17 | 20.18 (0.06) | 20.17 (0.06) | ||||||||
| g magnitude | 19.80 (0.01) | 19.80 (0.01) | 19.79 (0.02) | 19.79 | 19.81 (0.02) | 19.79 (0.02) | ||||||||
| r magnitude | 19.79 (0.02) | 19.79 (0.02) | 19.82 (0.03) | 19.81 | 19.82 (0.03) | 19.81 (0.03) | ||||||||
| i magnitude | 19.83 (0.02) | 19.83 (0.02) | 19.86 (0.03) | 19.86 | 19.87 (0.03) | 19.86 (0.03) | ||||||||
| z magnitude | 19.93 (0.08) | 19.93 (0.08) | 20.04 (0.09) | 20.06 | 20.04 (0.09) | 20.06 (0.09) | ||||||||
| G magnitude | 19.75 (0.05) | 19.78 | 19.75 (0.006) | |||||||||||
| BP magnitude | 19.85 (0.05) | 19.71 | ||||||||||||
| RP magnitude | 19.75 (0.1) | 19.40 | ||||||||||||
| Pan g magnitude | 19.74 (0.007) | |||||||||||||
| Pan r magnitude | 19.83 (0.01) | |||||||||||||
| Pan i magnitude | 19.88 (0.02) | |||||||||||||
| Pan z magnitude | 19.99 (0.02) | |||||||||||||
| Pan y magnitude | 20.12 (0.1) | |||||||||||||
| E(B-V) | 0.029 | |||||||||||||
* Constant surface field
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