SDSS J081954.92+323729.9
All names: SDSS J081954.92+323729.9, SDSS J081954.91+323729.9, Gaia EDR3 901608330869770880, Gaia DR3 901608330869770880, Gaia DR2 901608330869770880, WD 0816+327, GALEX J081954.9+323730, SDSS J081954.92+323730.0
| 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 19 54.94 (0.3) | 08 19 54.92 | 08 19 54.94 (0.4) | 08 19 54.92 (0.3) | 08 19 54.92 | 08 19 55.06 | 08 19 54.92 | |||||
| Declination | 32 37 29.39 (0.3) | 32 37 29.98 | 32 37 29.41 (0.3) | 32 37 30.04 (0.3) | 32 37 29.96 | 32 37 25.32 | 32 37 29.97 | |||||
| Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 15947.0 | 13249.0 (435) | 13277.0 (451) | ||||||||
| log(g) | [cgs] | 8.24 | 7.85 (0.1) | 7.90 (0.1) | ||||||||
| Mass | [M☉] | 0.764 | 0.557 (0.05) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.2434 | ||||||||||
| 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] | 3.22 (0.4) | 2.65 (0.6) | 3.22 (0.4) | ||||||||
| Distance | [pc] | 310.32 (42) | 378.03 (84) | 310.32 (42) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 19.41616552 (0.4) | 18.4051341 (0.9) | 19.416 (0.4) | 26.3 | |||||||
| Proper motion (declination) | [mas/yr] | -40.65381986 (0.3) | -40.77427567 (0.6) | -40.654 (0.3) | -40.0 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 19.93 (0.03) | 19.93 (0.04) | 19.94 (0.04) | 19.94 | 19.95 (0.04) | |||||||
| g magnitude | 19.46 (0.01) | 19.46 (0.01) | 19.47 (0.02) | 19.47 | 19.47 (0.02) | |||||||
| r magnitude | 19.71 (0.02) | 19.71 (0.02) | 19.70 (0.02) | 19.70 | 19.70 (0.02) | |||||||
| i magnitude | 19.94 (0.02) | 19.94 (0.02) | 19.91 (0.03) | 19.91 | 19.91 (0.03) | |||||||
| z magnitude | 20.21 (0.09) | 20.21 (0.09) | 20.14 (0.07) | 20.15 | 20.15 (0.08) | |||||||
| G magnitude | 19.58 (0.04) | 19.62 | 19.58 (0.005) | |||||||||
| BP magnitude | 19.67 (0.04) | 19.60 | ||||||||||
| RP magnitude | 19.43 (0.1) | 19.52 | ||||||||||
| Pan g magnitude | 19.49 (0.009) | |||||||||||
| Pan r magnitude | 19.68 (0.01) | |||||||||||
| Pan i magnitude | 19.93 (0.02) | |||||||||||
| Pan z magnitude | 20.17 (0.03) | |||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.021 | |||||||||||
* Constant surface field
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