All names: SDSS J224932.00+000645.7, SDSS J224932.02+000645.6, WIRED J224932.02+000645.7, TIC 422080810, Gaia DR2 2653431413944708224, SDSS J224932.02+000645.7, GALEX J224932.0+000646, Gaia DR3 2653431413944708224, SDSS J224932.03+000645.7, Gaia EDR3 2653431413944708224, 2MASS J22493202+0006456, WD 2246-001
| 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 | 22 49 32.04 (0.3) | 22 49 32.03 | 22 49 32.04 (0.4) | 22 49 32.02 (0.3) | 22 49 32.03 | 22 49 31.78 | 22 49 32.03 | |||
| Declination | 00 06 45.18 (0.3) | 00 06 45.62 | 00 06 45.20 (0.3) | 00 06 45.75 (0.3) | 00 06 45.66 | 00 06 47.52 | 00 06 45.73 | |||
| Spectral type | DA+M | DA+M | DA | DA+M | ||||||
| Effective temperature | [K] | 6301.0 (3) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 7.08 (0.2) | 10.00 (0.008) | |||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 2.78 (0.3) | 2.96 (0.5) | 2.78 (0.3) | ||||||
| Distance | [pc] | 359.80 (44) | 338.31 (54) | 359.79 (44) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 17.76030256 (0.4) | 17.36584884 (0.7) | 17.76 (0.4) | 14.8 | |||||
| Proper motion (declination) | [mas/yr] | -35.37380594 (0.3) | -35.6050344 (0.6) | -35.374 (0.3) | -33.7 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.21 (0.01) | |||||||||
| H magnitude | 15.63 (0.01) | |||||||||
| K magnitude | 15.30 (0.02) | |||||||||
| u magnitude | 20.59 (0.06) | 20.59 (0.06) | 20.62 (0.07) | 20.62 | 20.64 (0.07) | |||||
| g magnitude | 19.86 (0.02) | 19.87 (0.01) | 19.91 (0.02) | 19.91 | 19.93 (0.02) | |||||
| r magnitude | 19.52 (0.01) | 19.53 (0.01) | 19.53 (0.02) | 19.52 | 19.53 (0.02) | |||||
| i magnitude | 18.62 (0.01) | 18.65 (0.01) | 18.64 (0.02) | 18.63 | 18.63 (0.02) | |||||
| z magnitude | 17.79 (0.02) | 17.80 (0.02) | 17.80 (0.02) | 17.79 | 17.78 (0.02) | |||||
| G magnitude | 19.06 (0.1) | 19.09 | 19.06 (0.005) | |||||||
| BP magnitude | 19.70 (0.1) | 19.81 | ||||||||
| RP magnitude | 18.12 (0.02) | 18.09 | ||||||||
| Pan g magnitude | 19.84 (0.02) | |||||||||
| Pan r magnitude | 19.54 (0.008) | |||||||||
| Pan i magnitude | 18.65 (0.004) | |||||||||
| Pan z magnitude | 17.95 (0.006) | |||||||||
| Pan y magnitude | 17.56 (0.01) | |||||||||
| E(B-V) | 0.054 | |||||||||
* 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.