WD 0844+161
All names: Gaia EDR3 610025509405198464, Gaia DR3 610025509405198464, WD 0844+161, SDSS J084731.31+155851.8, Gaia DR2 610025509405198464, USNO-B1.0 1059-00172620, GALEX J084731.3+155851
| 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 | 08 47 31.31 (0.2) | 08 47 31.31 (0.3) | 08 47 31.31 | 08 47 31.32 (0.2) | 08 47 31.15 | |||||
| Declination | 15 58 51.38 (0.1) | 15 58 51.40 (0.2) | 15 58 51.38 | 15 58 52.14 (0.1) | 15 58 49.44 | |||||
| Spectral type | DC | DC | DB | DC | ? | |||||
| Effective temperature | [K] | 10579.0 | 10749.0 | 11596.0 (429) | ||||||
| log(g) | [cgs] | 8.15 | 8.10 | 8.15 (0.07) | ||||||
| Mass | [M☉] | 0.693 | 0.641 | 0.679 (0.06) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.6449 | 0.5957 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 4.87 (0.2) | 5.07 (0.3) | 4.87 | 4.87 (0.2) | |||||
| Distance | [pc] | 205.51 (10) | 197.09 (12) | 205.51 | 205.51 (10) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.814757094 (0.2) | -3.60703904 (0.5) | -3.815 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | -47.70502272 (0.2) | -47.55712154 (0.3) | -47.705 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 19.00 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 19.00 | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 18.68 (0.02) | |||||||||
| g magnitude | 18.61 (0.008) | |||||||||
| r magnitude | 18.78 (0.01) | |||||||||
| i magnitude | 18.92 (0.01) | |||||||||
| z magnitude | 19.08 (0.05) | |||||||||
| G magnitude | 18.67 (0.02) | 18.71 | 18.67 | 18.67 (0.003) | ||||||
| BP magnitude | 18.69 (0.02) | 18.63 | ||||||||
| RP magnitude | 18.72 (0.03) | 18.66 | ||||||||
| Pan g magnitude | 18.67 (0.009) | |||||||||
| Pan r magnitude | 18.78 (0.007) | |||||||||
| Pan i magnitude | 18.95 (0.008) | |||||||||
| Pan z magnitude | 19.14 (0.02) | |||||||||
| Pan y magnitude | 19.17 (0.07) | |||||||||
| E(B-V) | 0.012 | |||||||||
* Constant surface field
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