All names: Gaia DR3 2630059885546641664, SDSS J222838.35-002952.0, TIC 176070584, [SGR2010] J2228-0029, WD 2226-007, 2MASS J22283837-0029517, SDSS J222838.36-002952.0, SDSS J222838.35-002951.9, SDSS J222838.36-002951.9, WIRED J222838.35-002951.9, Gaia DR2 2630059885546641664, Gaia EDR3 2630059885546641664
| 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 28 38.41 (0.2) | 22 28 38.37 | 22 28 38.41 (0.3) | 22 28 38.37 (0.2) | 22 28 38.36 | 22 28 38.06 | 22 28 38.36 | |||
| Declination | -00 29 51.88 (0.2) | -00 29 52.00 | -00 29 51.88 (0.3) | -00 29 51.88 (0.2) | -00 29 51.95 | -00 29 44.52 | -00 29 51.94 | |||
| Spectral type | DA+M4 | DA:+M | DA: d | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (1) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.65 (0.2) | 10.00 (0.1) | |||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.01 (0.2) | 2.50 (0.5) | 3.01 (0.2) | ||||||
| Distance | [pc] | 331.72 (27) | 400.21 (78) | 331.72 (27) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 37.57480983 (0.2) | 38.01361479 (0.4) | 37.575 (0.2) | 39.4 | |||||
| Proper motion (declination) | [mas/yr] | -0.015940143 (0.2) | -0.593698447 (0.5) | -0.016 (0.2) | -5.2 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.49 (0.006) | |||||||||
| H magnitude | 14.90 (0.006) | |||||||||
| K magnitude | 14.60 (0.009) | |||||||||
| u magnitude | 21.06 (0.08) | 21.05 (0.1) | 21.09 (0.1) | 21.10 | 21.09 (0.1) | |||||
| g magnitude | 19.96 (0.02) | 19.96 (0.02) | 20.02 (0.03) | 20.02 | 20.02 (0.03) | |||||
| r magnitude | 19.03 (0.01) | 19.09 (0.01) | 19.14 (0.02) | 19.14 | 19.14 (0.02) | |||||
| i magnitude | 17.76 (0.008) | 17.77 (0.007) | 17.82 (0.02) | 17.82 | 17.81 (0.02) | |||||
| z magnitude | 16.93 (0.01) | 16.96 (0.01) | 17.00 (0.01) | 17.00 | 16.98 (0.02) | |||||
| G magnitude | 18.63 (0.07) | 18.61 | 18.63 (0.004) | |||||||
| BP magnitude | 19.82 (0.07) | 19.79 | ||||||||
| RP magnitude | 17.32 (0.009) | 17.29 | ||||||||
| Pan g magnitude | 19.95 (0.02) | |||||||||
| Pan r magnitude | 19.13 (0.008) | |||||||||
| Pan i magnitude | 17.82 (0.004) | |||||||||
| Pan z magnitude | 17.15 (0.006) | |||||||||
| Pan y magnitude | 16.81 (0.009) | |||||||||
| E(B-V) | 0.060 | |||||||||
* 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.