SDSS J084151.17+324821.4
All names: WD 0838+329, SDSS J084151.17+324821.4, GALEX J084151.2+324820, Gaia DR3 710211153502824192, Gaia DR2 710211153502824192, Gaia EDR3 710211153502824192, SDSS J084151.18+324821.4
| 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 41 51.21 (0.3) | 08 41 51.18 | 08 41 51.21 (0.4) | 08 41 51.21 | 08 41 51.17 (0.3) | 08 41 51.18 | 08 41 50.81 | 08 41 51.18 | ||||||
| Declination | 32 48 21.26 (0.2) | 32 48 21.45 | 32 48 21.26 (0.3) | 32 48 21.26 | 32 48 21.49 (0.2) | 32 48 21.45 | 32 48 14.76 | 32 48 21.45 | ||||||
| Spectral type | DC+M: | DC+M: | DA: | DC+M | DC: | DC: | DCM: | DC | ||||||
| Effective temperature | [K] | 8569.0 | 8424.0 | 9061.0 (496) | 10157.0 (92) | 10149.0 (80) | ||||||||
| log(g) | [cgs] | 8.07 | 8.01 | 8.24 (0.1) | 7.85 (0.6) | 8.88 (0.8) | ||||||||
| Mass | [M☉] | 0.64 | 0.583 | 0.748 (0.1) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 1.0010 | 0.9867 | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| Parallax | [mas] | 4.34 (0.4) | 4.27 (0.6) | 4.34 | 4.34 (0.4) | |||||||||
| Distance | [pc] | 230.38 (19) | 234.13 (31) | 230.38 | 230.38 (19) | |||||||||
| Composition | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 30.08163443 (0.4) | 28.92722999 (0.8) | 30.082 (0.4) | 27.1 | |||||||||
| Proper motion (declination) | [mas/yr] | -14.68434077 (0.3) | -14.38258706 (0.5) | -14.684 (0.3) | -21.4 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.99 (0.04) | 19.99 (0.04) | 20.02 (0.04) | 20.02 | 20.00 (0.04) | |||||||||
| g magnitude | 19.72 (0.01) | 19.72 (0.01) | 19.73 (0.03) | 19.73 | 19.72 (0.03) | |||||||||
| r magnitude | 19.72 (0.02) | 19.72 (0.02) | 19.72 (0.02) | 19.72 | 19.72 (0.02) | |||||||||
| i magnitude | 19.85 (0.03) | 19.85 (0.03) | 19.86 (0.03) | 19.86 | 19.86 (0.03) | |||||||||
| z magnitude | 19.93 (0.1) | 19.93 (0.1) | 19.96 (0.1) | 19.95 | 19.94 (0.1) | |||||||||
| G magnitude | 19.68 (0.04) | 19.72 | 19.68 | 19.68 (0.004) | ||||||||||
| BP magnitude | 19.80 (0.04) | 19.79 | ||||||||||||
| RP magnitude | 19.62 (0.05) | 19.50 | ||||||||||||
| Pan g magnitude | 19.71 (0.009) | |||||||||||||
| Pan r magnitude | 19.73 (0.009) | |||||||||||||
| Pan i magnitude | 19.78 (0.02) | |||||||||||||
| Pan z magnitude | 19.89 (0.04) | |||||||||||||
| Pan y magnitude | 19.92 (0.07) | |||||||||||||
| E(B-V) | 0.012 | |||||||||||||
* Constant surface field
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