WD 0804+467
All names: SDSS J080828.68+463749.1, SDSS J080828.68+463749.3, WD 0804+467, Gaia EDR3 929768644723109376, Gaia DR3 929768644723109376, SDSS J080828.69+463749.0, SDSS J080828.68+463749.2, GALEX J080828.6+463749, Gaia DR2 929768644723109376
| 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 08 28.68 (0.3) | 08 08 28.68 | 08 08 28.68 (0.4) | 08 08 28.68 (0.3) | 08 08 28.68 | 08 08 28.08 | 08 08 28.68 | 08 08 28.68 | |||||
| Declination | 46 37 48.94 (0.2) | 46 37 49.20 | 46 37 48.95 (0.3) | 46 37 49.18 (0.2) | 46 37 49.22 | 46 37 44.04 | 46 37 49.26 | 46 37 49.26 | |||||
| Spectral type | DA | DA | DA | DA2.4 | DA | DA | |||||||
| Effective temperature | [K] | 27463.0 | 20904.0 (555) | 21275.0 (575) | 20698.0 (578) | ||||||||
| log(g) | [cgs] | 8.32 | 7.92 (0.09) | 7.89 (0.09) | 7.90 (0.09) | ||||||||
| Mass | [M☉] | 0.828 | 0.572 (0.04) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.0384 | |||||||||||
| 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] | 1.60 (0.3) | 1.86 (0.5) | 1.60 (0.3) | |||||||||
| Distance | [pc] | 624.54 (128) | 538.31 (138) | 624.53 (128) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.792067331 (0.4) | -4.140515487 (0.7) | -3.792 (0.4) | 5.2 | 4.0 | |||||||
| Proper motion (declination) | [mas/yr] | -14.91261652 (0.3) | -14.43786797 (0.5) | -14.913 (0.3) | -17.9 | -19.0 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.40 (0.03) | 19.41 (0.03) | 19.40 (0.03) | 19.43 | 19.42 (0.03) | 19.43 (0.03) | |||||||
| g magnitude | 19.36 (0.01) | 19.36 (0.01) | 19.37 (0.01) | 19.36 | 19.38 (0.02) | 19.36 (0.02) | |||||||
| r magnitude | 19.69 (0.02) | 19.69 (0.02) | 19.71 (0.02) | 19.71 | 19.71 (0.02) | 19.71 (0.02) | |||||||
| i magnitude | 19.99 (0.03) | 20.00 (0.03) | 20.01 (0.03) | 20.02 | 20.01 (0.03) | 20.02 (0.03) | |||||||
| z magnitude | 20.30 (0.1) | 20.30 (0.1) | 20.31 (0.1) | 20.32 | 20.30 (0.1) | 20.32 (0.1) | |||||||
| G magnitude | 19.54 (0.04) | 19.58 | 19.54 (0.005) | ||||||||||
| BP magnitude | 19.38 (0.04) | 19.38 | |||||||||||
| RP magnitude | 19.75 (0.07) | 19.71 | |||||||||||
| Pan g magnitude | 19.41 (0.008) | ||||||||||||
| Pan r magnitude | 19.69 (0.009) | ||||||||||||
| Pan i magnitude | 19.98 (0.01) | ||||||||||||
| Pan z magnitude | 20.22 (0.03) | ||||||||||||
| Pan y magnitude | |||||||||||||
| E(B-V) | 0.044 | ||||||||||||
* Constant surface field
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