2SLAQ J204031.40-002251.7
All names: SDSS J204031.40-002251.7, GALEX J204031.3-002251, Gaia EDR3 4228042879372259328, SDSS J204031.40-002251.8, Gaia DR2 4228042879372259328, SDSS J204031.41-002251.7, WD 2037-005, Gaia DR3 4228042879372259328, 2SLAQ J204031.40-002251.7
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 40 31.45 (0.3) | 20 40 31.40 | 20 40 31.45 (0.7) | 20 40 31.45 | 20 40 31.40 (0.3) | 20 40 31.40 | 20 40 31.20 | 20 40 31.40 | ||||
| Declination | -00 22 51.77 (0.2) | -00 22 51.73 | -00 22 51.77 (0.4) | -00 22 51.77 | -00 22 51.70 (0.2) | -00 22 51.73 | -00 22 48.36 | -00 22 51.75 | ||||
| Spectral type | DA | DA: | DA+M | DA_auto | DA | DA+M: | DA | |||||
| Effective temperature | [K] | 7448.0 | 7732.0 (400) | 7947.0 (135) | 7463.0 (115) | |||||||
| log(g) | [cgs] | 8.51 | 8.45 (0.1) | 8.65 (0.3) | 7.88 (0.4) | |||||||
| Mass | [M☉] | 0.922 | 0.885 (0.09) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 3.3460 | ||||||||||
| 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] | 6.70 (0.4) | 7.01 (0.5) | 6.70 | 6.70 (0.4) | |||||||
| Distance | [pc] | 149.29 (8) | 142.67 (1e+01) | 149.29 | 149.29 (8) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 50.50784536 (0.6) | 49.02863131 (2) | 50.508 (0.6) | 47.0 | |||||||
| Proper motion (declination) | [mas/yr] | -4.233935517 (0.4) | -3.994767689 (0.8) | -4.234 (0.4) | -0.4 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | |||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 20.42 (0.05) | 20.42 (0.05) | 20.36 (0.05) | 20.35 | 20.36 (0.05) | |||||||
| g magnitude | 19.92 (0.02) | 19.92 (0.02) | 19.88 (0.02) | 19.87 | 19.88 (0.02) | |||||||
| r magnitude | 19.79 (0.02) | 19.79 (0.02) | 19.79 (0.03) | 19.78 | 19.78 (0.03) | |||||||
| i magnitude | 19.75 (0.02) | 19.75 (0.02) | 19.73 (0.04) | 19.72 | 19.72 (0.04) | |||||||
| z magnitude | 19.89 (0.09) | 19.89 (0.09) | 19.92 (0.1) | 19.92 | 19.90 (0.1) | |||||||
| G magnitude | 19.68 (0.05) | 19.74 | 19.68 | 19.68 (0.005) | ||||||||
| BP magnitude | 19.76 (0.05) | 19.65 | ||||||||||
| RP magnitude | 19.17 (0.04) | 19.07 | ||||||||||
| Pan g magnitude | ||||||||||||
| Pan r magnitude | ||||||||||||
| Pan i magnitude | ||||||||||||
| Pan z magnitude | ||||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.021 | |||||||||||
* Constant surface field
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