WD 0842+548
All names: SDSS J084607.76+544012.8, GALEX J084607.6+544013, SDSS J084607.75+544012.8, Gaia DR2 1030772703428892672, WD 0842+548, SDSS J084607.76+544012.7, Gaia EDR3 1030772703428892672, SDSS J084607.74+544012.3, SDSS J084607.75+544012.7, Gaia DR3 1030772703428892672
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | 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 | 08 46 07.73 (0.1) | 08 46 07.76 | 08 46 07.73 (0.2) | 08 46 07.73 | 08 46 07.76 (0.1) | 08 46 07.76 | 08 46 07.03 | 08 46 07.76 | 08 46 07.76 | ||||||
| Declination | 54 40 12.23 (0.1) | 54 40 12.78 | 54 40 12.24 (0.2) | 54 40 12.23 | 54 40 12.83 (0.1) | 54 40 12.77 | 54 40 07.68 | 54 40 12.77 | 54 40 12.83 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA2.1 | DA | DA | |||||||
| Effective temperature | [K] | 17030.0 | 25380.0 (420) | 20721.0 (1073) | 23562.0 (330) | 24779.0 (256) | 23618.0 (332) | ||||||||
| log(g) | [cgs] | 7.99 | 8.01 (0.06) | 8.11 (0.07) | 7.97 (0.04) | 8.05 (0.04) | 7.99 (0.04) | ||||||||
| Mass | [M☉] | 0.613 | 0.64 (0.03) | 0.688 (0.06) | 0.658 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||
| Cooling age | [Gyr] | 0.1279 | 0.0229 | ||||||||||||
| 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] | 2.90 (0.2) | 3.07 (0.2) | 2.90 | 2.90 (0.2) | ||||||||||
| Distance | [pc] | 345.38 (19) | 325.66 (25) | 345.38 | 345.38 (19) | ||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -18.42361244 (0.2) | -18.48799705 (0.3) | -18.424 (0.2) | -12.8 | -15.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -37.7376541 (0.1) | -37.34030714 (0.3) | -37.738 (0.1) | -39.3 | -39.0 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 18.41 (0.01) | 18.41 (0.01) | 18.46 (0.02) | 18.46 | 18.45 (0.02) | 18.46 (0.02) | |||||||||
| g magnitude | 18.41 (0.007) | 18.41 (0.007) | 18.44 (0.01) | 18.44 | 18.43 (0.01) | 18.44 (0.01) | |||||||||
| r magnitude | 18.76 (0.01) | 18.76 (0.01) | 18.79 (0.01) | 18.78 | 18.78 (0.01) | 18.78 (0.01) | |||||||||
| i magnitude | 19.10 (0.02) | 19.10 (0.02) | 19.10 (0.02) | 19.10 | 19.09 (0.02) | 19.10 (0.02) | |||||||||
| z magnitude | 19.30 (0.07) | 19.30 (0.07) | 19.34 (0.07) | 19.32 | 19.31 (0.07) | 19.32 (0.07) | |||||||||
| G magnitude | 18.63 (0.02) | 18.66 | 18.63 | 18.63 (0.003) | |||||||||||
| BP magnitude | 18.56 (0.02) | 18.50 | |||||||||||||
| RP magnitude | 18.84 (0.03) | 18.81 | |||||||||||||
| Pan g magnitude | 18.49 (0.007) | ||||||||||||||
| Pan r magnitude | 18.79 (0.008) | ||||||||||||||
| Pan i magnitude | 19.12 (0.01) | ||||||||||||||
| Pan z magnitude | 19.36 (0.02) | ||||||||||||||
| Pan y magnitude | 19.34 (0.06) | ||||||||||||||
| E(B-V) | 0.024 | ||||||||||||||
* Constant surface field
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