WD 0830+470
All names: Gaia DR2 918611934601653120, Gaia DR3 918611934601653120, SDSS J083428.37+465151.6, WD 0830+470, Gaia EDR3 918611934601653120, SDSS J083428.37+465151.7, SDSS J083428.36+465151.6, SDSS J083428.36+465151.7
| 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 | 08 34 28.43 (0.2) | 08 34 28.38 | 08 34 28.43 (0.3) | 08 34 28.36 (0.2) | 08 34 28.37 | 08 34 27.96 | 08 34 28.36 | ||||||
| Declination | 46 51 51.10 (0.2) | 46 51 51.70 | 46 51 51.12 (0.2) | 46 51 51.68 (0.2) | 46 51 51.66 | 46 51 46.44 | 46 51 51.66 | ||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC: | ||||||
| Effective temperature | [K] | 8223.0 | 8033.0 | 10118.0 (55) | 10118.0 (55) | ||||||||
| log(g) | [cgs] | 8.05 | 7.98 | 7.97 (0.6) | 8.78 (0.8) | ||||||||
| Mass | [M☉] | 0.626 | 0.565 | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 1.0760 | 1.0750 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 4.89 (0.3) | 4.91 (0.4) | 4.89 (0.3) | |||||||||
| Distance | [pc] | 204.29 (13) | 203.78 (18) | 204.29 (13) | |||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 40.14185841 (0.3) | 41.06857 (0.6) | 40.142 (0.3) | 32.8 | ||||||||
| Proper motion (declination) | [mas/yr] | -36.43511568 (0.3) | -36.43791468 (0.5) | -36.435 (0.3) | -38.7 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | yes | ||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.90 (0.04) | 19.90 (0.04) | 19.84 (0.04) | 19.86 | 19.83 (0.04) | ||||||||
| g magnitude | 19.53 (0.01) | 19.53 (0.01) | 19.58 (0.04) | 19.56 | 19.58 (0.05) | ||||||||
| r magnitude | 19.55 (0.02) | 19.55 (0.02) | 19.55 (0.02) | 19.55 | 19.54 (0.02) | ||||||||
| i magnitude | 19.63 (0.02) | 19.63 (0.02) | 19.60 (0.03) | 19.61 | 19.60 (0.03) | ||||||||
| z magnitude | 19.77 (0.09) | 19.77 (0.09) | 19.82 (0.1) | 19.83 | 19.81 (0.1) | ||||||||
| G magnitude | 19.47 (0.04) | 19.51 | 19.47 (0.004) | ||||||||||
| BP magnitude | 19.57 (0.04) | 19.52 | |||||||||||
| RP magnitude | 19.36 (0.05) | 19.27 | |||||||||||
| Pan g magnitude | 19.56 (0.02) | ||||||||||||
| Pan r magnitude | 19.49 (0.02) | ||||||||||||
| Pan i magnitude | 19.61 (0.02) | ||||||||||||
| Pan z magnitude | 19.67 (0.02) | ||||||||||||
| Pan y magnitude | 19.46 (0.07) | ||||||||||||
| E(B-V) | 0.011 | ||||||||||||
* Constant surface field
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