PG 0928+085
All names: WD 0928+085, Gaia DR3 588035212424892416, PG 0928+085, GALEX J093108.7+081930, LAMOST J093108.67+081931.4, Gaia DR2 588035212424892416, Gaia EDR3 588035212424892416, SDSS J093108.65+081931.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 31 08.66 (0.1) | 09 31 08.66 (0.1) | 09 31 08.66 | 09 31 08.66 (0.1) | 09 31 08.78 | |||||||
| Declination | 08 19 30.74 (0.1) | 08 19 30.78 (0.2) | 08 19 30.74 | 08 19 31.91 (0.1) | 08 19 33.24 | |||||||
| Spectral type | DA | DA | DA | DA | DA1.7 | DA2 | ||||||
| Effective temperature | [K] | 25789.0 | 30545.0 (276) | 30160.0 (442) | 29430.0 (437) | 31650.0 (887) | ||||||
| log(g) | [cgs] | 8.19 | 8.61 (0.06) | 8.58 (0.05) | 8.56 (0.05) | 8.45 (0.03) | ||||||
| Mass | [M☉] | 0.747 | 1.01 (0.03) | 1.0 (0.03) | 0.98 (0.03) | 0.916 (0.02) | ||||||
| log(Luminosity) | [L☉] | -1.30 | ||||||||||
| Cooling age | [Gyr] | 0.0338 | 0.0724 | |||||||||
| 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] | 5.44 (0.09) | 5.36 (0.2) | 5.44 | 5.44 (0.09) | |||||||
| Distance | [pc] | 183.77 (3) | 186.50 (8) | 159.00 | 165.00 | 183.77 | 183.77 (3) | |||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 4.912921689 (0.1) | 5.535206751 (0.5) | 4.913 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | -72.98722112 (0.1) | -73.71152263 (0.6) | -72.987 (0.1) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 16.22 | |||||||||||
| V magnitude | 16.99 | |||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 17.64 (0.03) | |||||||||||
| H magnitude | 17.68 (0.04) | |||||||||||
| K magnitude | 17.70 (0.1) | |||||||||||
| u magnitude | 16.45 (0.01) | |||||||||||
| g magnitude | 16.71 (0.02) | |||||||||||
| r magnitude | 17.17 (0.01) | |||||||||||
| i magnitude | 17.50 (0.01) | |||||||||||
| z magnitude | 17.80 (0.02) | |||||||||||
| G magnitude | 16.93 (0.005) | 16.96 | 16.93 | 16.93 (0.003) | ||||||||
| BP magnitude | 16.80 (0.005) | 16.77 | ||||||||||
| RP magnitude | 17.20 (0.02) | 17.18 | ||||||||||
| Pan g magnitude | 16.77 (0.003) | |||||||||||
| Pan r magnitude | 17.16 (0.003) | |||||||||||
| Pan i magnitude | 17.52 (0.004) | |||||||||||
| Pan z magnitude | 17.81 (0.007) | |||||||||||
| Pan y magnitude | 17.97 (0.009) | |||||||||||
| E(B-V) | 0.012 | |||||||||||
* Constant surface field
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