PG 0846+558
All names: WD 0846+557, GALEX J084951.1+553513, SDSS J084951.11+553514.7, Gaia DR2 1030938733980294400, Gaia DR3 1030938733980294400, SDSS J084951.10+553514.6, Gaia EDR3 1030938733980294400, SDSS J084951.10+553514.7, SDSS J084951.11+553514.6, SBSS 0846+557, SDSS J084951.12+553514.5, PG 0846+558
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | 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 49 51.14 (0.04) | 08 49 51.12 | 08 49 51.14 (0.06) | 08 49 51.14 | 08 49 51.11 (0.04) | 08 49 51.10 | 08 49 50.47 | 08 49 51.11 | 08 49 51.11 | |||||||
| Declination | 55 35 14.27 (0.03) | 55 35 14.56 | 55 35 14.28 (0.05) | 55 35 14.27 | 55 35 14.63 (0.03) | 55 35 14.74 | 55 35 07.80 | 55 35 14.69 | 55 35 14.68 | |||||||
| Spectral type | DA | DA | DA | DA | DA1.8 | DA | DA1 | DA | DA | |||||||
| Effective temperature | [K] | 23831.0 | 28330.0 (417) | 28860.0 (120) | 28074.0 (460) | 27769.0 (138) | 28653.0 (81) | 28000.0 (62) | ||||||||
| log(g) | [cgs] | 7.66 | 7.92 (0.05) | 7.80 (0.02) | 7.83 (0.02) | 7.80 (0.02) | 7.82 (0.02) | 7.85 (0.02) | ||||||||
| Mass | [M☉] | 0.467 | 0.6 (0.02) | 0.54 (0.01) | 0.555 (0.01) | 0.558 (0.009) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 0.0196 | 0.0102 | |||||||||||||
| 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] | 4.95 (0.05) | 5.06 (0.08) | 4.95 | 4.95 (0.05) | |||||||||||
| Distance | [pc] | 202.07 (2) | 197.49 (3) | 195.00 | 202.07 | 202.07 (2) | ||||||||||
| Composition | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 15.47032714 (0.05) | 15.48551648 (0.1) | 15.47 (0.05) | 15.3 | 13.0 | ||||||||||
| Proper motion (declination) | [mas/yr] | -22.68547057 (0.04) | -22.79125881 (0.09) | -22.685 (0.04) | -19.2 | -17.0 | ||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 16.25 | |||||||||||||||
| V magnitude | 16.42 | |||||||||||||||
| R magnitude | 16.51 (0.001) | |||||||||||||||
| I magnitude | 16.46 (0.001) | |||||||||||||||
| J magnitude | ||||||||||||||||
| H magnitude | ||||||||||||||||
| K magnitude | ||||||||||||||||
| u magnitude | 15.96 (0.005) | 15.96 (0.005) | 15.97 (0.01) | 15.97 | 15.99 (0.01) | 15.98 (0.01) | ||||||||||
| g magnitude | 16.16 (0.004) | 16.16 (0.004) | 16.19 (0.02) | 16.19 | 16.19 (0.02) | 16.20 (0.02) | ||||||||||
| r magnitude | 16.60 (0.005) | 16.60 (0.005) | 16.63 (0.02) | 16.63 | 16.62 (0.02) | 16.63 (0.02) | ||||||||||
| i magnitude | 16.95 (0.006) | 16.95 (0.006) | 16.95 (0.02) | 16.95 | 16.94 (0.02) | 16.95 (0.02) | ||||||||||
| z magnitude | 17.28 (0.01) | 17.28 (0.01) | 17.29 (0.03) | 17.29 | 17.26 (0.03) | 17.25 (0.03) | ||||||||||
| G magnitude | 16.39 (0.003) | 16.42 | 16.39 | 16.39 (0.003) | ||||||||||||
| BP magnitude | 16.27 (0.003) | 16.22 | ||||||||||||||
| RP magnitude | 16.65 (0.005) | 16.65 | ||||||||||||||
| Pan g magnitude | 16.24 (0.003) | |||||||||||||||
| Pan r magnitude | 16.63 (0.0002) | |||||||||||||||
| Pan i magnitude | 16.97 (0.002) | |||||||||||||||
| Pan z magnitude | 17.25 (0.009) | |||||||||||||||
| Pan y magnitude | 17.44 (0.01) | |||||||||||||||
| E(B-V) | 0.012 | |||||||||||||||
* Constant surface field
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