SDSS J084213.02+035451.1
All names: Gaia EDR3 582114063136532224, SDSS J084213.02+035451.1, Gaia DR2 582114063136532224, Gaia DR3 582114063136532224, SDSS J084213.02+035451.2, WD 0839+040, SDSS J084213.02+035450.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 42 13.02 (0.2) | 08 42 13.02 | 08 42 13.02 (0.2) | 08 42 13.02 | 08 42 13.02 (0.2) | 08 42 13.03 | 08 42 12.31 | 08 42 13.02 | ||||||
| Declination | 03 54 50.84 (0.1) | 03 54 51.24 | 03 54 50.85 (0.2) | 03 54 50.84 | 03 54 51.28 (0.1) | 03 54 51.20 | 03 54 48.96 | 03 54 51.21 | ||||||
| Spectral type | DC | DC | DC | DC | DC: | DC: | DC_HOT | DB | ||||||
| Effective temperature | [K] | 11001.0 | 11245.0 | 10740.0 (535) | 12290.0 (297) | 12609.0 (435) | ||||||||
| log(g) | [cgs] | 8.24 | 8.20 | 8.05 (0.1) | 8.89 (0.1) | 9.34 (0.3) | ||||||||
| Mass | [M☉] | 0.752 | 0.705 | 0.614 (0.09) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.6732 | 0.6175 | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| Parallax | [mas] | 4.35 (0.3) | 4.51 (0.3) | 4.35 | 4.35 (0.3) | |||||||||
| Distance | [pc] | 230.15 (14) | 221.71 (17) | 230.15 | 230.14 (14) | |||||||||
| Composition | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -5.589653677 (0.3) | -5.433192864 (0.5) | -5.59 (0.3) | 1.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -27.17595389 (0.2) | -27.00503281 (0.4) | -27.176 (0.2) | -31.5 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.00 (0.02) | 19.00 (0.02) | 18.94 (0.03) | 18.94 | 18.94 (0.03) | |||||||||
| g magnitude | 18.91 (0.009) | 18.91 (0.009) | 18.91 (0.02) | 18.91 | 18.91 (0.02) | |||||||||
| r magnitude | 19.07 (0.01) | 19.07 (0.01) | 19.14 (0.02) | 19.14 | 19.12 (0.02) | |||||||||
| i magnitude | 19.25 (0.02) | 19.25 (0.02) | 19.29 (0.03) | 19.29 | 19.28 (0.03) | |||||||||
| z magnitude | 19.59 (0.08) | 19.59 (0.08) | 19.41 (0.09) | 19.42 | 19.41 (0.08) | |||||||||
| G magnitude | 18.98 (0.02) | 19.02 | 18.98 | 18.98 (0.004) | ||||||||||
| BP magnitude | 19.01 (0.02) | 19.00 | ||||||||||||
| RP magnitude | 18.97 (0.03) | 19.03 | ||||||||||||
| Pan g magnitude | 18.93 (0.01) | |||||||||||||
| Pan r magnitude | 19.09 (0.01) | |||||||||||||
| Pan i magnitude | 19.27 (0.009) | |||||||||||||
| Pan z magnitude | 19.44 (0.02) | |||||||||||||
| Pan y magnitude | 19.47 (0.1) | |||||||||||||
| E(B-V) | 0.016 | |||||||||||||
* Constant surface field
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