SDSS J074911.89+255527.6
All names: SDSS J074911.90+255527.6, SDSS J074911.90+255527.7, Gaia DR2 874062300419102592, Gaia EDR3 874062300419102592, SDSS J074911.89+255527.6, WD 0746+260, Gaia DR3 874062300419102592, GALEX J074911.8+255527
| 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 | 07 49 11.87 (0.4) | 07 49 11.90 | 07 49 11.87 (0.5) | 07 49 11.90 (0.4) | 07 49 11.90 | 07 49 11.78 | 07 49 11.90 | ||||||
| Declination | 25 55 27.43 (0.2) | 25 55 27.66 | 25 55 27.44 (0.3) | 25 55 27.74 (0.2) | 25 55 27.67 | 25 55 26.40 | 25 55 27.67 | ||||||
| Spectral type | DC+M: | DC+M: | DC+M | DC: | DC: | DCM: | DC | ||||||
| Effective temperature | [K] | 10104.0 | 10288.0 | 11447.0 (333) | 11576.0 (423) | ||||||||
| log(g) | [cgs] | 8.11 | 8.07 | 8.48 (0.4) | 8.55 (0.4) | ||||||||
| Mass | [M☉] | 0.667 | 0.624 | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.6853 | 0.6419 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 3.52 (0.4) | 3.49 (0.7) | 3.52 (0.4) | |||||||||
| Distance | [pc] | 284.12 (35) | 286.31 (53) | 284.12 (35) | |||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -27.54908022 (0.5) | -27.02382086 (1) | -27.549 (0.5) | -30.5 | ||||||||
| Proper motion (declination) | [mas/yr] | -19.3227171 (0.2) | -19.16367006 (0.6) | -19.323 (0.2) | -15.3 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.59 (0.03) | 19.59 (0.03) | 19.61 (0.03) | 19.60 | 19.59 (0.03) | ||||||||
| g magnitude | 19.52 (0.01) | 19.52 (0.01) | 19.54 (0.02) | 19.53 | 19.53 (0.02) | ||||||||
| r magnitude | 19.64 (0.02) | 19.64 (0.01) | 19.65 (0.02) | 19.65 | 19.65 (0.02) | ||||||||
| i magnitude | 19.80 (0.02) | 19.80 (0.02) | 19.82 (0.02) | 19.82 | 19.82 (0.02) | ||||||||
| z magnitude | 19.98 (0.07) | 19.98 (0.07) | 20.05 (0.07) | 20.06 | 20.06 (0.07) | ||||||||
| G magnitude | 19.56 (0.04) | 19.62 | 19.56 (0.004) | ||||||||||
| BP magnitude | 19.64 (0.04) | 19.49 | |||||||||||
| RP magnitude | 19.49 (0.06) | 19.46 | |||||||||||
| Pan g magnitude | 19.54 (0.01) | ||||||||||||
| Pan r magnitude | 19.70 (0.01) | ||||||||||||
| Pan i magnitude | 19.88 (0.02) | ||||||||||||
| Pan z magnitude | 19.92 (0.008) | ||||||||||||
| Pan y magnitude | 19.71 (0.2) | ||||||||||||
| E(B-V) | 0.014 | ||||||||||||
* Constant surface field
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