All names: SDSS J085201.94+295142.4, SDSS J085201.94+295142.3, Gaia DR2 705688140622450304, WD 0849+300, GALEX J085201.9+295142, Gaia EDR3 705688140622450304, Gaia DR3 705688140622450304
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 52 01.94 (0.5) | 08 52 01.94 (0.9) | 08 52 01.94 (0.5) | 08 52 01.94 | 08 52 02.06 | 08 52 01.94 | |||
| Declination | 29 51 42.42 (0.3) | 29 51 42.42 (0.7) | 29 51 42.47 (0.3) | 29 51 42.36 | 29 51 35.28 | 29 51 42.36 | |||
| Spectral type | DA | DA_auto | DA | DA | |||||
| Effective temperature | [K] | 18408.0 (619) | 18361.0 (642) | ||||||
| log(g) | [cgs] | 8.38 (0.1) | 8.40 (0.1) | ||||||
| Mass | [M☉] | 0.852 (0.09) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.09 (0.6) | 1.17 (0.9) | 2.09 (0.6) | |||||
| Distance | [pc] | 478.43 (135) | 855.36 (638) | 478.45 (135) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -2.198900875 (0.7) | -6.011 (2) | -2.199 (0.7) | |||||
| Proper motion (declination) | [mas/yr] | -3.399119324 (0.5) | -1.048 (1) | -3.399 (0.5) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 20.16 (0.05) | 20.17 (0.05) | 20.17 | 20.16 (0.05) | |||||
| g magnitude | 19.98 (0.02) | 20.00 (0.02) | 20.00 | 20.00 (0.02) | |||||
| r magnitude | 20.33 (0.03) | 20.36 (0.03) | 20.36 | 20.37 (0.03) | |||||
| i magnitude | 20.72 (0.06) | 20.72 (0.05) | 20.72 | 20.73 (0.05) | |||||
| z magnitude | 20.95 (0.3) | 20.95 (0.3) | 20.95 | 20.94 (0.3) | |||||
| G magnitude | 20.18 (0.07) | 20.25 | 20.18 (0.005) | ||||||
| BP magnitude | 20.25 (0.07) | 20.17 | |||||||
| RP magnitude | 20.16 (0.1) | 20.04 | |||||||
| Pan g magnitude | 20.10 (0.05) | ||||||||
| Pan r magnitude | 20.19 (0.03) | ||||||||
| Pan i magnitude | 20.66 (0.06) | ||||||||
| Pan z magnitude | 20.74 (0.05) | ||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.024 | ||||||||
* 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.