WD 0804+446A
All names: PSO J080751.843+443030.449, Gaia DR2 929014482827319552, SDSS J080751.83+443030.4, WD 0804+446A, WD 0804+446.1, SDSS J080751.84+443030.5
| Parameter | Unit | MWDD H | Pan-STARRS DR1 | Gaia DR2 | SDSS DR12 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 07 51.84 (0.7) | 08 07 51.84 | 08 07 51.84 | 08 07 51.84 | 08 07 50.86 | 08 07 51.84 | 08 07 51.84 | |||
| Declination | 44 30 30.37 (0.6) | 44 30 30.46 | 44 30 30.48 | 44 30 30.48 | 44 30 28.08 | 44 30 30.47 | 44 30 30.46 | |||
| Spectral type | DA | DA | DA | DA1.4 | DA | |||||
| Effective temperature | [K] | 25217.0 | 36977.0 (1221) | 36390.0 (1314) | 37251.0 (1266) | |||||
| log(g) | [cgs] | 8.89 | 7.87 (0.2) | 7.76 (0.2) | 7.90 (0.2) | |||||
| Mass | [M☉] | 1.155 | 0.552 (0.09) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.2059 | ||||||||
| 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] | 2.53 (1) | ||||||||
| Distance | [pc] | 395.59 (153) | ||||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 2.710633389 (1) | -3.0 | -3.0 | -4.0 | |||||
| Proper motion (declination) | [mas/yr] | -4.496380592 (1) | 1.0 | -2.7 | 0.0 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.50 (0.03) | 19.50 | 19.52 (0.03) | 19.50 | 19.52 (0.03) | 19.50 (0.03) | ||||
| g magnitude | 19.80 (0.01) | 19.79 | 19.82 (0.02) | 19.82 | 19.82 (0.02) | 19.82 (0.02) | ||||
| r magnitude | 20.26 (0.03) | 20.26 | 20.29 (0.03) | 20.29 | 20.28 (0.03) | 20.29 (0.03) | ||||
| i magnitude | 20.58 (0.04) | 20.58 | 20.61 (0.04) | 20.60 | 20.61 (0.04) | 20.60 (0.04) | ||||
| z magnitude | 20.65 (0.2) | 20.68 | 20.68 (0.2) | 20.69 | 20.67 (0.2) | 20.69 (0.2) | ||||
| G magnitude | 20.15 | |||||||||
| BP magnitude | 20.11 | |||||||||
| RP magnitude | 20.25 | |||||||||
| Pan g magnitude | 19.84 (0.02) | |||||||||
| Pan r magnitude | 20.33 (0.03) | |||||||||
| Pan i magnitude | 20.63 (0.03) | |||||||||
| Pan z magnitude | 20.81 (0.2) | |||||||||
| Pan y magnitude | ||||||||||
* Constant surface field
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