All names: TIC 250327529, Gaia EDR3 2653544977175287936, SDSSJ224311.68-000442.0, SDSS J224311.67-000441.9, PB 5138, SDSS J224311.67-000442.0, Gaia DR3 2653544977175287936, UCAC4 450-136260, SDSS J224311.68-000442.0, GALEX J224311.6-000440, Gaia DR2 2653544977174973824, PHL 385, 2MASS J22431165-0004425
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 43 11.68 (0.05) | 22 43 11.68 | 22 43 11.68 | 22 43 11.68 (0.1) | 22 43 11.68 (0.05) | 22 43 11.68 | |||
| Declination | -00 04 42.05 (0.04) | -00 04 42.00 | -00 04 41.99 | -00 04 42.05 (0.07) | -00 04 42.03 (0.04) | -00 04 41.97 | |||
| Spectral type | sdB | sdB | SD_auto | ||||||
| Effective temperature | [K] | 27870.0 (1117) | 28620.0 (130) | ||||||
| log(g) | [cgs] | 5.48 (0.2) | 5.26 (0.04) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.63 (0.06) | 0.72 (0.2) | 0.72 (0.2) | 0.63 (0.06) | ||||
| Distance | [pc] | 1581.46 (151) | 1394.70 (441) | 1394.78 (441) | 1581.53 (151) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 2.472681765 (0.07) | 2.403 (0.1) | 2.402551697 (0.1) | 2.473 (0.07) | 0.5 | |||
| Proper motion (declination) | [mas/yr] | -1.224720975 (0.05) | -1.224 (0.2) | -1.223843723 (0.2) | -1.225 (0.05) | -2.2 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.46 (0.04) | ||||||||
| V magnitude | 15.64 (0.01) | ||||||||
| R magnitude | 16.01 (0.2) | ||||||||
| I magnitude | |||||||||
| J magnitude | 16.09 (0.08) | 16.09 (0.08) | |||||||
| H magnitude | 16.21 (0.2) | 16.21 (0.2) | |||||||
| K magnitude | 15.74 (0.2) | 15.74 (0.2) | |||||||
| u magnitude | 15.26 (0.004) | 15.26 (0.004) | 15.26 (0.004) | 15.28 (0.02) | |||||
| g magnitude | 15.36 (0.003) | 15.36 (0.003) | 15.37 (0.003) | 15.41 (0.01) | |||||
| r magnitude | 15.78 (0.005) | 15.78 (0.005) | 15.80 (0.005) | 15.82 (0.01) | |||||
| i magnitude | 16.13 (0.005) | 16.13 (0.005) | 16.14 (0.005) | 16.16 (0.01) | |||||
| z magnitude | 16.43 (0.009) | 16.43 (0.009) | 16.46 (0.009) | 16.43 (0.02) | |||||
| G magnitude | 15.63 (0.004) | 15.64 (0.001) | 15.64 | 15.63 (0.003) | |||||
| BP magnitude | 15.52 (0.004) | 15.46 (0.009) | 15.46 | ||||||
| RP magnitude | 15.85 (0.006) | 15.83 (0.006) | 15.83 | ||||||
| Pan g magnitude | 15.47 (0.003) | 15.47 (0.003) | |||||||
| Pan r magnitude | 15.85 (0.003) | 15.85 (0.003) | |||||||
| Pan i magnitude | 16.16 (0.002) | 16.16 (0.002) | |||||||
| Pan z magnitude | 16.41 (0.004) | 16.41 (0.004) | |||||||
| Pan y magnitude | 16.58 (0.006) | 16.58 (0.006) | |||||||
| E(B-V) | 0.055 | ||||||||
* 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.