All names: GALEX J233330.9+462207, LAMOST J233331.07+462206.4, Gaia DR3 1938415467647384960, SDSS J233331.06+462206.6, TIC 176643341, SDSSJ233331.06+462206.6, 2MASS J23333102+4622064, Gaia DR2 1938415467647384960
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 33 31.06 | 23 33 31.07 (0.03) | ||
| Declination | 46 22 06.60 | 46 22 06.68 (0.03) | ||
| Spectral type | sdB | sdB3He7 | ||
| 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] | 0.40 (0.07) | 0.31 (0.05) | |
| Distance | [pc] | 2512.56 (437) | 3216.47 (521) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.651 (0.08) | -1.477 (0.04) | |
| Proper motion (declination) | [mas/yr] | -5.152 (0.07) | -5.127 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.59 (0.1) | 16.59 (0.1) | ||
| H magnitude | 15.95 | |||
| K magnitude | 17.09 | |||
| u magnitude | 16.26 (0.006) | 16.26 (0.006) | ||
| g magnitude | 16.09 (0.004) | 16.09 (0.004) | ||
| r magnitude | 16.44 (0.005) | 16.44 (0.005) | ||
| i magnitude | 16.69 (0.006) | 16.69 (0.006) | ||
| z magnitude | 16.94 (0.01) | 16.94 (0.01) | ||
| G magnitude | 16.29 (0.0009) | 16.27 (0.003) | ||
| BP magnitude | 16.17 (0.008) | |||
| RP magnitude | 16.37 (0.004) | |||
| Pan g magnitude | 16.16 (0.003) | |||
| Pan r magnitude | 16.45 (0.006) | |||
| Pan i magnitude | 16.70 (0.005) | |||
| Pan z magnitude | 16.92 (0.006) | |||
| Pan y magnitude | 17.03 (0.01) | |||
| E(B-V) | 0.128 | |||
* 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.