All names: 2MASS J08271555+0805508, WD 0824+082, Gaia EDR3 599097016661294464, Gaia DR3 599097016661294464, TIC 366481945, SDSS J082715.54+080550.6, Gaia DR2 599097016661294464, SDSS J082715.60+080550.6, SDSS J082715.53+080550.6
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 08 27 15.53 (0.5) | 08 27 15.54 | 08 27 15.53 (0.6) | 08 27 15.53 (0.5) | 08 27 15.46 | ||
| Declination | 08 05 50.67 (0.4) | 08 05 50.60 | 08 05 50.66 (0.5) | 08 05 50.56 (0.4) | 08 05 46.32 | ||
| Spectral type | DC | DC: d | |||||
| Effective temperature | [K] | ||||||
| log(g) | [cgs] | ||||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 3.89 (0.7) | 4.17 (0.9) | 3.89 (0.7) | |||
| Distance | [pc] | 257.14 (43) | 239.89 (52) | 257.14 (43) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -5.109326599 (0.6) | -4.637544456 (1) | -5.109 (0.6) | |||
| Proper motion (declination) | [mas/yr] | 6.474996297 (0.5) | 6.688180774 (0.8) | 6.475 (0.5) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 16.60 (0.2) | ||||||
| H magnitude | 15.68 (0.2) | ||||||
| K magnitude | |||||||
| u magnitude | 25.58 (0.7) | 25.46 (0.9) | 25.27 | ||||
| g magnitude | 22.83 (0.1) | 22.84 (0.1) | 22.84 | ||||
| r magnitude | 21.12 (0.05) | 21.14 (0.05) | 21.18 | ||||
| i magnitude | 19.26 (0.02) | 19.28 (0.02) | 19.30 | ||||
| z magnitude | 18.17 (0.03) | 18.20 (0.03) | 18.23 | ||||
| G magnitude | 20.06 (0.2) | 20.08 | 20.06 (0.006) | ||||
| BP magnitude | 21.41 (0.2) | 21.52 | |||||
| RP magnitude | 18.72 (0.03) | 18.64 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.016 | ||||||
* 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.