All names: 2MASS J22135045+2039070, GALEX J221350.4+203907, Gaia DR2 1778728858456787712, SDSS J221350.43+203907.2, SDSS J221350.44+203907.2, Gaia EDR3 1778728858456787712, Gaia DR3 1778728858456787712, TIC 258865585, SDSSJ221350.43+203907.2, SDSS J221350.44+203907.20
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 13 50.43 (0.04) | 22 13 50.44 | 22 13 50.44 | 22 13 50.43 (0.06) | 22 13 50.44 (0.04) | ||||
| Declination | 20 39 07.18 (0.03) | 20 39 07.23 | 20 39 07.24 | 20 39 07.18 (0.06) | 20 39 07.24 (0.03) | ||||
| Spectral type | sdB | DAB/sdB | DAB/sdB | ||||||
| Effective temperature | [K] | 23151.0 (106) | |||||||
| log(g) | [cgs] | 5.00 (0.05) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.27 (0.04) | -0.01 (0.08) | -0.01 (0.08) | 0.27 (0.04) | ||||
| Distance | [pc] | 3751.34 (587) | 3750.94 (587) | ||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -5.66965205 (0.04) | -5.5 (0.1) | -5.499592947 (0.1) | -5.67 (0.04) | ||||
| Proper motion (declination) | [mas/yr] | -4.220210584 (0.04) | -3.975 (0.1) | -3.975203909 (0.1) | -4.22 (0.04) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.97 (0.08) | 15.97 (0.08) | |||||||
| H magnitude | 16.08 (0.2) | 16.08 (0.2) | |||||||
| K magnitude | 15.75 | ||||||||
| u magnitude | 15.71 (0.005) | 15.71 (0.005) | 15.72 (0.02) | 15.71 (0.005) | |||||
| g magnitude | 15.46 (0.003) | 15.46 (0.003) | 15.50 (0.01) | 15.46 (0.003) | |||||
| r magnitude | 15.83 (0.004) | 15.83 (0.004) | 15.83 (0.01) | 15.83 (0.004) | |||||
| i magnitude | 16.08 (0.005) | 16.08 (0.005) | 16.09 (0.01) | 16.08 (0.005) | |||||
| z magnitude | 16.30 (0.008) | 16.30 (0.008) | 16.29 (0.02) | 16.30 (0.008) | |||||
| G magnitude | 15.67 (0.005) | 15.68 (0.0008) | 15.68 | 15.67 (0.003) | |||||
| BP magnitude | 15.61 (0.005) | 15.57 (0.005) | 15.57 | ||||||
| RP magnitude | 15.78 (0.003) | 15.78 (0.004) | 15.78 | ||||||
| Pan g magnitude | 15.54 (0.0008) | 15.54 (0.0008) | |||||||
| Pan r magnitude | 15.84 (0.002) | 15.84 (0.002) | |||||||
| Pan i magnitude | 16.11 (0.002) | 16.11 (0.002) | |||||||
| Pan z magnitude | 16.32 (0.006) | 16.32 (0.006) | |||||||
| Pan y magnitude | 16.43 (0.004) | 16.43 (0.004) | |||||||
| E(B-V) | 0.048 | ||||||||
* 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.