SDSS J084319.87+451253.5
All names: Gaia EDR3 917288156955755520, GALEX J084319.8+451253, USNO-B1.0 1352-00202718, [VV2006b] J084319.9+451253, Gaia DR3 917288156955755520, SDSS J084319.87+451253.5, SDSS J084319.87+451253.4, Gaia DR2 917288156955755520, WD 0839+453, SDSS J084319.87+451253.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | 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 43 19.86 (0.4) | 08 43 19.88 | 08 43 19.86 (0.6) | 08 43 19.88 (0.4) | 08 43 19.88 | 08 43 20.16 | 08 43 19.87 | ||||||
| Declination | 45 12 53.20 (0.3) | 45 12 53.47 | 45 12 53.21 (0.4) | 45 12 53.50 (0.3) | 45 12 53.52 | 45 12 52.56 | 45 12 53.56 | ||||||
| Spectral type | DC+M: | DC+M: | DC+M | DC: | DC: | DCM: | DA | ||||||
| Effective temperature | [K] | 9217.0 | 9065.0 | 10200.0 (128) | 10234.0 (148) | ||||||||
| log(g) | [cgs] | 8.32 | 8.26 | 7.92 (0.6) | 8.74 (0.9) | ||||||||
| Mass | [M☉] | 0.799 | 0.74 | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.2080 | 1.1650 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 3.05 (0.5) | 3.77 (0.6) | 3.05 (0.5) | |||||||||
| Distance | [pc] | 327.57 (53) | 265.38 (44) | 327.57 (53) | |||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -13.54770628 (0.6) | -12.63426246 (1) | -13.548 (0.6) | -6.8 | ||||||||
| Proper motion (declination) | [mas/yr] | -18.81465662 (0.5) | -18.9908782 (0.8) | -18.815 (0.5) | -14.0 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 20.00 | ||||||||||||
| V magnitude | 20.10 | ||||||||||||
| R magnitude | 19.90 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.44 (0.05) | 20.44 (0.04) | 20.33 (0.05) | 20.32 | 20.39 (0.05) | ||||||||
| g magnitude | 20.06 (0.02) | 20.07 (0.02) | 20.06 (0.02) | 20.05 | 20.08 (0.02) | ||||||||
| r magnitude | 20.12 (0.02) | 20.12 (0.02) | 20.13 (0.02) | 20.12 | 20.14 (0.02) | ||||||||
| i magnitude | 20.19 (0.03) | 20.19 (0.03) | 20.19 (0.03) | 20.18 | 20.19 (0.03) | ||||||||
| z magnitude | 20.32 (0.1) | 20.32 (0.1) | 20.35 (0.1) | 20.34 | 20.37 (0.1) | ||||||||
| G magnitude | 20.07 (0.06) | 20.11 | 20.07 (0.006) | ||||||||||
| BP magnitude | 20.15 (0.06) | 20.07 | |||||||||||
| RP magnitude | 19.94 (0.08) | 19.83 | |||||||||||
| Pan g magnitude | 20.08 (0.009) | ||||||||||||
| Pan r magnitude | 20.13 (0.005) | ||||||||||||
| Pan i magnitude | 20.27 (0.02) | ||||||||||||
| Pan z magnitude | 20.33 (0.02) | ||||||||||||
| Pan y magnitude | 20.02 (0.2) | ||||||||||||
| E(B-V) | 0.021 | ||||||||||||
* Constant surface field
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