WD 0857+021
All names: SDSS J085941.60+015726.4, Gaia EDR3 576994599559149952, GALEX J085941.6+015726, Gaia DR3 576994599559149952, SDSS J085941.61+015726.4, Gaia DR2 576994599559149952, WD 0857+021, SDSS J085941.60+015726.3
| 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 | 08 59 41.59 (0.3) | 08 59 41.61 | 08 59 41.59 (0.5) | 08 59 41.60 (0.3) | 08 59 41.61 | 08 59 40.44 | 08 59 41.61 | 08 59 41.61 | |||||
| Declination | 01 57 26.24 (0.2) | 01 57 26.44 | 01 57 26.25 (0.4) | 01 57 26.43 (0.2) | 01 57 26.45 | 01 57 22.32 | 01 57 26.40 | 01 57 26.39 | |||||
| Spectral type | DA | DA | DA | DA2.7 | DA | DA | |||||||
| Effective temperature | [K] | 16037.0 | 18550.0 (498) | 19105.0 (543) | 18523.0 (497) | ||||||||
| log(g) | [cgs] | 8.11 | 7.81 (0.1) | 7.86 (0.1) | 7.81 (0.1) | ||||||||
| Mass | [M☉] | 0.678 | 0.552 (0.05) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.1904 | |||||||||||
| 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] | 1.50 (0.5) | 2.04 (0.6) | 1.50 (0.5) | |||||||||
| Distance | [pc] | 665.45 (206) | 490.10 (144) | 665.42 (206) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -12.36647035 (0.4) | -12.3433301 (1) | -12.366 (0.4) | -4.9 | -8.0 | |||||||
| Proper motion (declination) | [mas/yr] | -11.89967366 (0.3) | -11.6930799 (1) | -11.9 (0.3) | -13.5 | -11.0 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.78 (0.03) | 19.78 (0.03) | 19.79 (0.04) | 19.80 | 19.78 (0.04) | 19.80 (0.04) | |||||||
| g magnitude | 19.64 (0.01) | 19.64 (0.01) | 19.64 (0.02) | 19.64 | 19.64 (0.02) | 19.64 (0.02) | |||||||
| r magnitude | 19.96 (0.02) | 19.96 (0.02) | 19.97 (0.02) | 19.97 | 19.97 (0.02) | 19.97 (0.02) | |||||||
| i magnitude | 20.29 (0.04) | 20.29 (0.04) | 20.28 (0.04) | 20.28 | 20.28 (0.04) | 20.28 (0.04) | |||||||
| z magnitude | 20.87 (0.3) | 20.87 (0.3) | 20.76 (0.3) | 20.77 | 20.76 (0.3) | 20.77 (0.3) | |||||||
| G magnitude | 19.80 (0.04) | 19.86 | 19.80 (0.004) | ||||||||||
| BP magnitude | 19.75 (0.04) | 19.79 | |||||||||||
| RP magnitude | 19.82 (0.08) | 19.81 | |||||||||||
| Pan g magnitude | 19.67 (0.01) | ||||||||||||
| Pan r magnitude | 19.94 (0.008) | ||||||||||||
| Pan i magnitude | 20.25 (0.02) | ||||||||||||
| Pan z magnitude | 20.50 (0.05) | ||||||||||||
| Pan y magnitude | 20.41 (0.2) | ||||||||||||
| E(B-V) | 0.037 | ||||||||||||
* Constant surface field
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