All names: 2MASS J22024562+0052582, TIC 293019284, Gaia DR2 2680744691530012416, WISE J220245.62+005258.3, SDSS J220245.59+005258.3, Gaia EDR3 2680744691530012416, SDSS J220245.60+005258.4, SDSS J220245.59+005258.2, Gaia DR3 2680744691530012416, WD 2200+006, WISEA J220245.62+005258.2
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 02 45.59 (0.4) | 22 02 45.59 | 22 02 45.59 (0.5) | 22 02 45.59 | 22 02 45.60 (0.4) | 22 02 45.34 | ||
| Declination | 00 52 58.28 (0.4) | 00 52 58.24 | 00 52 58.27 (0.8) | 00 52 58.30 | 00 52 58.25 (0.4) | 00 52 55.20 | ||
| Spectral type | WD+M | M4V | 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] | 1.48 (0.4) | 1.48 (0.4) | |||||
| Distance | [pc] | 676.49 (184) | 676.50 (184) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -8.398762814 (0.5) | -8.399 (0.5) | |||||
| Proper motion (declination) | [mas/yr] | 1.380407805 (0.6) | 1.38 (0.6) | |||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.48 (0.1) | |||||||
| H magnitude | 15.85 (0.1) | |||||||
| K magnitude | 15.41 (0.1) | |||||||
| u magnitude | 24.65 (0.8) | 23.43 | 24.65 (0.8) | 23.43 | ||||
| g magnitude | 21.75 (0.06) | 21.65 | 21.75 (0.06) | 21.65 | ||||
| r magnitude | 20.16 (0.02) | 20.24 | 20.16 (0.02) | 20.23 | ||||
| i magnitude | 18.69 (0.01) | 18.77 | 18.69 (0.01) | 18.76 | ||||
| z magnitude | 17.85 (0.02) | 17.96 | 17.85 (0.02) | 17.96 | ||||
| G magnitude | 19.39 | 19.52 | 19.39 (0.008) | |||||
| BP magnitude | ||||||||
| RP magnitude | ||||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.106 | |||||||
* 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.