WD 1546+004
All names: GALEX J154850.8+001852, WD 1546+004, SDSS J154850.76+001852.3, SDSS J154850.76+001852.2, SDSS J154850.76+001852.4, Gaia DR3 4410549676299835136, Gaia EDR3 4410549676299835136, Gaia DR2 4410549676299835136
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Harris et al. 2003 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 48 50.79 (0.3) | 15 48 50.77 | 15 48 50.79 (0.4) | 15 48 50.79 | 15 48 50.77 (0.3) | 15 48 50.77 | 15 48 49.39 | |||||||
| Declination | 00 18 51.76 (0.2) | 00 18 52.43 | 00 18 51.78 (0.2) | 00 18 51.76 | 00 18 52.40 (0.2) | 00 18 52.41 | 00 18 46.44 | |||||||
| Spectral type | DC5 | DC5 | DC5 | DC | DC5 | DC | DC | DC | ||||||
| Effective temperature | [K] | 8936.0 | 8751.0 | 8765.0 (407) | 10265.0 (161) | |||||||||
| log(g) | [cgs] | 8.21 | 8.14 | 7.91 (0.1) | 7.94 (0.6) | |||||||||
| Mass | [M☉] | 0.727 | 0.661 | 0.527 (0.09) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 1.0930 | 1.0710 | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| Parallax | [mas] | 5.47 (0.3) | 5.93 (0.4) | 5.47 | 5.47 (0.3) | |||||||||
| Distance | [pc] | 182.85 (11) | 168.75 (11) | 182.85 | 182.85 (11) | |||||||||
| Composition | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 25.06814061 (0.3) | 25.2328532 (0.7) | 25.068 (0.3) | 22.6 | |||||||||
| Proper motion (declination) | [mas/yr] | -40.10770226 (0.2) | -39.59652376 (0.4) | -40.108 (0.2) | -54.1 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | ||||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 19.27 (0.02) | 19.31 | 19.27 (0.02) | 19.31 (0.03) | 19.31 | |||||||||
| g magnitude | 19.03 (0.009) | 19.07 | 19.03 (0.009) | 19.06 (0.01) | 19.07 | |||||||||
| r magnitude | 19.07 (0.01) | 19.07 | 19.07 (0.01) | 19.07 (0.02) | 19.07 | |||||||||
| i magnitude | 19.15 (0.02) | 19.16 | 19.15 (0.01) | 19.16 (0.02) | 19.16 | |||||||||
| z magnitude | 19.22 (0.06) | 19.24 | 19.22 (0.06) | 19.23 (0.07) | 19.24 | |||||||||
| G magnitude | 19.00 (0.03) | 19.03 | 19.00 | 19.00 (0.003) | ||||||||||
| BP magnitude | 19.08 (0.03) | 19.01 | ||||||||||||
| RP magnitude | 18.88 (0.03) | 18.84 | ||||||||||||
| Pan g magnitude | 19.05 (0.009) | |||||||||||||
| Pan r magnitude | 19.07 (0.007) | |||||||||||||
| Pan i magnitude | 19.19 (0.007) | |||||||||||||
| Pan z magnitude | 19.28 (0.01) | |||||||||||||
| Pan y magnitude | 19.31 (0.03) | |||||||||||||
| E(B-V) | 0.067 | |||||||||||||
* Constant surface field
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