All names: WD 0825+190, EPIC 211908795, SDSS J082808.59+185127.3, TIC 14678222, Gaia EDR3 662500766992791168, GALEX J082808.6+185128, 2MASS J08280858+1851271, Gaia DR2 662500766992791168, Gaia DR3 662500766992791168
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 28 08.59 (0.2) | 08 28 08.59 | 08 28 08.59 (0.3) | 08 28 08.59 | 08 28 08.59 (0.2) | 08 28 08.14 | |||
| Declination | 18 51 27.26 (0.1) | 18 51 27.32 | 18 51 27.26 (0.2) | 18 51 27.29 | 18 51 27.40 (0.1) | 18 51 25.56 | |||
| Spectral type | WD+M | D+M | WD M | ||||||
| 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] | 2.65 (0.3) | 3.18 (0.3) | 2.65 (0.3) | |||||
| Distance | [pc] | 377.60 (37) | 314.53 (33) | 487.00 (40) | 377.60 (37) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -5.175141424 (0.2) | -5.175046384 (0.6) | -5.175 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | -8.458181979 (0.2) | -8.9171383 (0.4) | -8.458 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.31 (0.1) | ||||||||
| H magnitude | 15.75 (0.1) | ||||||||
| K magnitude | 15.69 (0.2) | ||||||||
| u magnitude | 21.19 (0.08) | 21.20 | 21.20 (0.09) | 21.20 | |||||
| g magnitude | 19.86 (0.01) | 19.89 | 19.87 (0.01) | 19.89 | |||||
| r magnitude | 18.75 (0.01) | 18.79 | 18.78 (0.01) | 18.78 | |||||
| i magnitude | 17.99 (0.008) | 18.00 | 18.02 (0.008) | 17.99 | |||||
| z magnitude | 17.56 (0.02) | 17.60 | 17.57 (0.02) | 17.59 | |||||
| G magnitude | 18.64 (0.03) | 18.63 | 18.64 (0.004) | ||||||
| BP magnitude | 19.40 (0.03) | 19.39 | |||||||
| RP magnitude | 17.56 (0.01) | 17.56 | |||||||
| Pan g magnitude | 19.70 (0.02) | ||||||||
| Pan r magnitude | 18.68 (0.009) | ||||||||
| Pan i magnitude | 17.95 (0.006) | ||||||||
| Pan z magnitude | 17.61 (0.006) | ||||||||
| Pan y magnitude | 17.44 (0.006) | ||||||||
| 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.