WD 0809+482
All names: Gaia DR2 931455918331432576, SDSS J081308.51+480642.4, SDSS J081308.48+480642.3, WIRED J081308.51+480642.3, SDSS J081308.51+480642.3, Gaia EDR3 931455918331432576, Gaia DR3 931455918331432576, WD 0809+482, SDSS J081308.50+480642.4, SDSS J081308.50+480642.3, LAMOST J081308.48+480642.3, SDSS J081308.52+480642.3
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | 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 13 08.45 (0.06) | 08 13 08.50 | 08 13 08.45 (0.09) | 08 13 08.45 | 08 13 08.50 (0.06) | 08 13 08.52 | 08 13 07.49 | 08 13 08.52 | 08 13 08.52 | ||||||
| Declination | 48 06 42.23 (0.04) | 48 06 42.40 | 48 06 42.23 (0.05) | 48 06 42.23 | 48 06 42.39 (0.04) | 48 06 42.42 | 48 06 38.88 | 48 06 42.33 | 48 06 42.34 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA1.5 | DA | DA | ||||||
| Effective temperature | [K] | 32164.0 (137) | 23694.0 | 32960.0 (140) | 30249.0 (902) | 33158.0 (87) | 32727.0 (64) | 33180.0 (87) | |||||||
| log(g) | [cgs] | 7.85 (0.03) | 7.42 | 7.86 (0.03) | 7.92 (0.04) | 7.90 (0.03) | 7.86 (0.03) | 7.93 (0.03) | |||||||
| Mass | [M☉] | 0.58 (0.01) | 0.383 | 0.58 (0.01) | 0.606 (0.03) | 0.584 (0.01) | |||||||||
| log(Luminosity) | [L☉] | -0.67 (0.02) | |||||||||||||
| Cooling age | [Gyr] | 0.0071 (0.0002) | 0.0193 | 0.0072 | |||||||||||
| 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] | 4.07 (0.1) | 3.86 (0.1) | 4.07 | 4.07 (0.1) | ||||||||||
| Distance | [pc] | 245.43 (6) | 258.79 (8) | 245.43 | 245.43 (6) | ||||||||||
| Composition | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -27.58323713 (0.09) | -27.81431427 (0.1) | -27.583 (0.09) | -22.1 | -24.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -9.847092487 (0.06) | -9.738725595 (0.1) | -9.847 (0.06) | -7.1 | -5.0 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 16.27 (0.006) | 16.27 (0.006) | 16.26 (0.01) | 16.36 | 16.30 (0.01) | 16.36 (0.02) | |||||||||
| g magnitude | 16.45 (0.004) | 16.45 (0.004) | 16.52 (0.01) | 16.56 | 16.54 (0.01) | 16.56 (0.02) | |||||||||
| r magnitude | 16.89 (0.004) | 16.89 (0.004) | 16.97 (0.01) | 17.01 | 16.97 (0.01) | 17.01 (0.02) | |||||||||
| i magnitude | 17.19 (0.006) | 17.19 (0.006) | 17.29 (0.02) | 17.30 | 17.30 (0.02) | 17.30 (0.02) | |||||||||
| z magnitude | 17.46 (0.02) | 17.46 (0.02) | 17.60 (0.02) | 17.59 | 17.60 (0.02) | 17.59 (0.03) | |||||||||
| G magnitude | 16.80 (0.004) | 16.82 | 16.80 | 16.80 (0.003) | |||||||||||
| BP magnitude | 16.66 (0.004) | 16.63 | |||||||||||||
| RP magnitude | 17.06 (0.01) | 17.03 | |||||||||||||
| Pan g magnitude | |||||||||||||||
| Pan r magnitude | |||||||||||||||
| Pan i magnitude | |||||||||||||||
| Pan z magnitude | |||||||||||||||
| Pan y magnitude | |||||||||||||||
| E(B-V) | 0.015 | ||||||||||||||
* Constant surface field
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