WD 0641+654
All names: Gaia EDR3 1100971233759127168, GD 442, Gaia DR3 1100971233759127168, GALEX J064631.2+652539, Gaia DR2 1100971233759127168, LAMOST J064631.14+652539.3, HS 0641+6528, WD 0641+654, SDSS J064631.21+652539.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 06 46 31.11 (0.03) | 06 46 31.11 (0.04) | 06 46 31.11 | 06 46 31.28 (0.03) | 06 46 31.32 | ||||
| Declination | 65 25 39.28 (0.04) | 65 25 39.29 (0.05) | 65 25 39.28 | 65 25 39.55 (0.04) | 65 25 36.48 | ||||
| Spectral type | DA | DA | DA | DA2.9 | |||||
| Effective temperature | [K] | 17577.0 | 19286.0 (283) | ||||||
| log(g) | [cgs] | 7.81 | 7.91 (0.01) | ||||||
| Mass | [M☉] | 0.515 | 0.57 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 0.0790 | |||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| log(C/H) | |||||||||
| log(N/H) | |||||||||
| log(O/H) | |||||||||
| log(Na/H) | |||||||||
| log(Mg/H) | |||||||||
| log(Al/H) | |||||||||
| log(Si/H) | |||||||||
| log(P/H) | |||||||||
| log(S/H) | |||||||||
| log(Sc/H) | |||||||||
| log(Ti/H) | |||||||||
| log(Cr/H) | |||||||||
| log(Mn/H) | |||||||||
| log(Fe/H) | |||||||||
| log(Ni/H) | |||||||||
| Parallax | [mas] | 7.27 (0.05) | 7.28 (0.07) | 7.27 | 7.27 (0.05) | ||||
| Distance | [pc] | 137.52 (1) | 137.35 (1) | 137.52 | 137.52 (1) | ||||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -65.35507417 (0.04) | -65.4737084 (0.08) | -65.355 (0.04) | |||||
| Proper motion (declination) | [mas/yr] | -17.01514853 (0.04) | -16.84129398 (0.1) | -17.015 (0.04) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.50 | ||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 16.34 (0.01) | ||||||||
| g magnitude | 16.25 (0.008) | ||||||||
| r magnitude | 16.59 (0.01) | ||||||||
| i magnitude | 16.89 (0.01) | ||||||||
| z magnitude | 17.17 (0.02) | ||||||||
| G magnitude | 16.41 (0.003) | 16.44 | 16.41 | 16.41 (0.003) | |||||
| BP magnitude | 16.34 (0.003) | 16.33 | |||||||
| RP magnitude | 16.59 (0.004) | 16.58 | |||||||
| Pan g magnitude | 16.28 (0.008) | ||||||||
| Pan r magnitude | 16.60 (0.004) | ||||||||
| Pan i magnitude | 16.90 (0.003) | ||||||||
| Pan z magnitude | 17.16 (0.008) | ||||||||
| Pan y magnitude | 17.33 (0.01) | ||||||||
| E(B-V) | 0.012 | ||||||||
* Constant surface field
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