All names: WD 0847+456, Gaia EDR3 1010347900552914176, TIC 361976139, [HHD2009] SDSS J0851+4530, SDSS J085115.22+453027.9, Gaia DR3 1010347900552914176, 2MASS J08511521+4530279, Gaia DR2 1010347900552914176, WIRED J085115.23+453027.9, SDSS J085115.23+453027.9, SDSS J085115.23+453028.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 51 15.24 (0.2) | 08 51 15.23 | 08 51 15.24 (0.3) | 08 51 15.23 (0.2) | 08 51 15.22 | 08 51 15.12 | 08 51 15.23 | |||
| Declination | 45 30 27.93 (0.2) | 45 30 28.03 | 45 30 27.93 (0.2) | 45 30 28.02 (0.2) | 45 30 27.99 | 45 30 26.64 | 45 30 27.95 | |||
| Spectral type | DA+dM | DA+M | DA d | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (1) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.79 (0.1) | 10.00 (0.003) | |||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.56 (0.3) | 2.71 (0.4) | 1.56 (0.3) | ||||||
| Distance | [pc] | 642.68 (109) | 369.47 (51) | 642.67 (109) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 9.57116691 (0.2) | 10.48953811 (0.5) | 9.571 (0.2) | 15.6 | |||||
| Proper motion (declination) | [mas/yr] | -5.27267234 (0.2) | -5.009361663 (0.4) | -5.273 (0.2) | -4.9 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.01 (0.07) | |||||||||
| H magnitude | 15.32 (0.1) | |||||||||
| K magnitude | 15.25 (0.1) | |||||||||
| u magnitude | 19.92 (0.04) | 19.96 (0.04) | 19.93 (0.04) | 19.94 | 19.96 (0.04) | |||||
| g magnitude | 19.28 (0.01) | 19.29 (0.01) | 19.31 (0.02) | 19.31 | 19.32 (0.02) | |||||
| r magnitude | 18.41 (0.008) | 18.39 (0.008) | 18.40 (0.01) | 18.40 | 18.41 (0.01) | |||||
| i magnitude | 17.65 (0.007) | 17.66 (0.007) | 17.65 (0.01) | 17.65 | 17.65 (0.01) | |||||
| z magnitude | 17.26 (0.01) | 17.27 (0.01) | 17.27 (0.02) | 17.27 | 17.29 (0.02) | |||||
| G magnitude | 18.41 (0.03) | 18.36 | 18.41 (0.004) | |||||||
| BP magnitude | 18.97 (0.03) | 18.96 | ||||||||
| RP magnitude | 17.28 (0.007) | 17.30 | ||||||||
| Pan g magnitude | 19.21 (0.009) | |||||||||
| Pan r magnitude | 18.43 (0.007) | |||||||||
| Pan i magnitude | 17.68 (0.003) | |||||||||
| Pan z magnitude | 17.35 (0.004) | |||||||||
| Pan y magnitude | 17.17 (0.01) | |||||||||
| E(B-V) | 0.025 | |||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.