WD 0917+031
All names: Gaia DR3 3845602460005924864, USNO-B1.0 0929-00237917, Gaia EDR3 3845602460005924864, WD 0917+031, SDSS J092031.77+025758.9, Gaia DR2 3845602460005924864, LSPM J0920+0257
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 20 31.70 (0.2) | 09 20 31.70 (0.3) | 09 20 31.70 | 09 20 31.78 (0.2) | 09 20 31.06 | |||||
| Declination | 02 57 55.66 (0.1) | 02 57 55.77 (0.2) | 02 57 55.66 | 02 57 59.14 (0.1) | 02 57 56.52 | |||||
| Spectral type | D | D | DA | D | WD | |||||
| Effective temperature | [K] | 10893.0 | 11558.0 | 11537.0 (631) | ||||||
| log(g) | [cgs] | 7.71 | 7.71 | 7.84 (0.09) | ||||||
| Mass | [M☉] | 0.449 | 0.432 | 0.513 (0.07) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.3398 | 0.2949 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.87 (0.2) | 3.82 (0.4) | 3.87 | 3.87 (0.2) | |||||
| Distance | [pc] | 258.10 (17) | 261.85 (25) | 258.10 | 258.10 (17) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -75.60059225 (0.3) | -76.27716246 (0.5) | -75.601 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -217.4999747 (0.2) | -217.2989696 (0.4) | -217.5 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 19.20 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 18.40 | |||||||||
| I magnitude | ||||||||||
| J magnitude | 18.78 (0.09) | |||||||||
| H magnitude | 18.70 (0.2) | |||||||||
| K magnitude | ||||||||||
| u magnitude | 18.96 (0.03) | 18.55 | ||||||||
| g magnitude | 18.54 (0.02) | 18.55 | ||||||||
| r magnitude | 18.71 (0.02) | |||||||||
| i magnitude | 18.89 (0.01) | |||||||||
| z magnitude | 19.14 (0.04) | |||||||||
| G magnitude | 18.61 (0.02) | 18.64 | 18.61 | 18.61 (0.004) | ||||||
| BP magnitude | 18.67 (0.02) | 18.63 | ||||||||
| RP magnitude | 18.67 (0.04) | 18.62 | ||||||||
| Pan g magnitude | 18.53 (0.005) | |||||||||
| Pan r magnitude | 18.72 (0.03) | |||||||||
| Pan i magnitude | 18.90 (0.003) | |||||||||
| Pan z magnitude | 19.10 (0.02) | |||||||||
| Pan y magnitude | 19.16 (0.03) | |||||||||
| E(B-V) | 0.022 | |||||||||
* Constant surface field
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