SDSS J081130.20+305720.5
All names: SDSS J081130.20+305720.4, SDSS J081130.20+305720.5, WD 0808+311, GALEX J081130.2+305719, Gaia EDR3 901019885990539776, SDSS J081130.21+305720.5, Gaia DR3 901019885990539776, Gaia DR2 901019885990539776
| 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 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 11 30.19 (0.3) | 08 11 30.20 | 08 11 30.19 (0.4) | 08 11 30.21 (0.3) | 08 11 30.20 | 08 11 29.64 | 08 11 30.21 | |||||
| Declination | 30 57 20.29 (0.2) | 30 57 20.50 | 30 57 20.30 (0.3) | 30 57 20.55 (0.2) | 30 57 20.54 | 30 57 13.68 | 30 57 20.54 | |||||
| Spectral type | DA | DA | DA | DA | DAH | DA | ||||||
| Effective temperature | [K] | 8667.0 | 8019.0 (87) | 8045.0 (101) | ||||||||
| log(g) | [cgs] | 6.93 | 8.96 (0.05) | 9.87 (0.1) | ||||||||
| Mass | [M☉] | 0.196 | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| 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] | 2.03 (0.3) | 2.06 (0.5) | 2.03 (0.3) | ||||||||
| Distance | [pc] | 493.48 (83) | 485.38 (110) | 493.49 (83) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -13.32595167 (0.4) | -13.39291722 (0.8) | -13.326 (0.4) | 12.7 | |||||||
| Proper motion (declination) | [mas/yr] | -16.09404248 (0.3) | -16.08825224 (0.6) | -16.094 (0.3) | -26.2 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.96 (0.04) | 19.96 (0.04) | 19.96 (0.04) | 19.96 | 19.95 (0.04) | |||||||
| g magnitude | 19.63 (0.01) | 19.64 (0.01) | 19.63 (0.02) | 19.63 | 19.63 (0.02) | |||||||
| r magnitude | 19.65 (0.02) | 19.65 (0.02) | 19.64 (0.02) | 19.64 | 19.64 (0.02) | |||||||
| i magnitude | 19.77 (0.02) | 19.77 (0.02) | 19.74 (0.03) | 19.74 | 19.74 (0.03) | |||||||
| z magnitude | 19.71 (0.06) | 19.71 (0.06) | 19.71 (0.06) | 19.71 | 19.71 (0.06) | |||||||
| G magnitude | 19.59 (0.05) | 19.66 | 19.59 (0.005) | |||||||||
| BP magnitude | 19.63 (0.05) | 19.56 | ||||||||||
| RP magnitude | 19.45 (0.09) | 19.41 | ||||||||||
| Pan g magnitude | 19.67 (0.02) | |||||||||||
| Pan r magnitude | 19.68 (0.02) | |||||||||||
| Pan i magnitude | 19.75 (0.009) | |||||||||||
| Pan z magnitude | 19.92 (0.02) | |||||||||||
| Pan y magnitude | 19.87 (0.06) | |||||||||||
| E(B-V) | 0.030 | |||||||||||
* Constant surface field
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