SDSS J015731.81+003657.3
All names: SDSS J015731.81+003657.4, WD 0154+003, Gaia EDR3 2507884249412609536, SDSS J015731.81+003657.2, GALEX J015731.8+003657, Gaia DR2 2507884249412609536, Gaia DR3 2507884249412609536, SDSS J015731.81+003657.3, 2SLAQ J015731.81+003657.3
| 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 | 01 57 31.84 (0.5) | 01 57 31.82 | 01 57 31.84 (0.9) | 01 57 31.81 (0.5) | 01 57 31.81 | 01 57 32.04 | 01 57 31.81 | ||||||
| Declination | 00 36 56.87 (0.4) | 00 36 57.30 | 00 36 56.88 (0.6) | 00 36 57.37 (0.4) | 00 36 57.36 | 00 36 54.00 | 00 36 57.34 | ||||||
| Spectral type | DC | DC | DC | DC: | DC: | DC | DC | ||||||
| Effective temperature | [K] | 8368.0 | 8107.0 | 10102.0 (36) | 10102.0 (36) | ||||||||
| log(g) | [cgs] | 8.47 | 8.40 | 7.82 (0.6) | 8.77 (0.9) | ||||||||
| Mass | [M☉] | 0.901 | 0.836 | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 2.3700 | 2.2750 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 4.58 (0.7) | 5.10 (1) | 4.58 (0.7) | |||||||||
| Distance | [pc] | 218.23 (31) | 196.11 (41) | 218.23 (31) | |||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 22.94477637 (0.9) | 21.70538794 (1) | 22.945 (0.9) | 24.5 | ||||||||
| Proper motion (declination) | [mas/yr] | -31.48620513 (0.5) | -31.2510052 (1) | -31.486 (0.5) | -28.3 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 20.39 (0.04) | 20.39 (0.04) | 20.38 (0.05) | 20.38 | 20.40 (0.05) | ||||||||
| g magnitude | 20.07 (0.02) | 20.07 (0.02) | 20.08 (0.02) | 20.08 | 20.10 (0.02) | ||||||||
| r magnitude | 19.99 (0.02) | 19.99 (0.02) | 20.01 (0.02) | 20.01 | 20.02 (0.02) | ||||||||
| i magnitude | 20.00 (0.03) | 20.00 (0.03) | 19.99 (0.04) | 20.00 | 20.01 (0.04) | ||||||||
| z magnitude | 20.09 (0.09) | 20.09 (0.09) | 20.11 (0.1) | 20.12 | 20.14 (0.1) | ||||||||
| G magnitude | 19.99 (0.09) | 20.02 | 19.99 (0.007) | ||||||||||
| BP magnitude | 20.25 (0.09) | 20.17 | |||||||||||
| RP magnitude | 19.75 (0.09) | 19.83 | |||||||||||
| Pan g magnitude | 20.09 (0.02) | ||||||||||||
| Pan r magnitude | 20.01 (0.03) | ||||||||||||
| Pan i magnitude | 20.10 (0.009) | ||||||||||||
| Pan z magnitude | 20.21 (0.02) | ||||||||||||
| Pan y magnitude | 20.07 (0.1) | ||||||||||||
| E(B-V) | 0.019 | ||||||||||||
* Constant surface field
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