All names: WISE J072256.74+371852.8, 2MASS J07225674+3718530, TIC 9907701, LAMOST J072256.73+371852.8, WISEA J072256.74+371852.7, UCAC4 637-040303
| Parameter | Unit | Guo et al. 2015 | Simbad |
|---|---|---|---|
| Right ascension | 07 22 56.73 (24) | ||
| Declination | 37 18 53.03 (25) | ||
| Spectral type | DA? | DA? | |
| 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] | ||
| Distance | [pc] | ||
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -7.3 (2) | |
| Proper motion (declination) | [mas/yr] | -2.7 (3) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 14.59 (0.01) | ||
| V magnitude | 14.07 (0.01) | ||
| R magnitude | 13.77 (0.3) | ||
| I magnitude | |||
| J magnitude | 13.06 (0.03) | ||
| H magnitude | 12.85 (0.03) | ||
| K magnitude | 12.79 (0.03) | ||
| u magnitude | |||
| g magnitude | |||
| r magnitude | 13.94 (0.03) | ||
| i magnitude | 13.79 (0.02) | ||
| z magnitude | |||
| G magnitude | |||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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.