All names: SDSS J123335.84+491028.2, SBSS 1231+494, [BGK2006] J123335.85+491028.2, TIC 224304196, 2MASS J12333585+4910279, Gaia DR3 1544275316845937280, SDSS J123335.85+491028.0, SDSS J123335.86+491028.3, GALEX J123335.8+491028, SBSS1231+494, Gaia DR2 1544275316845937280
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 33 35.81 | 12 33 35.85 (0.03) | ||
| Declination | 49 10 28.30 | 49 10 28.05 (0.03) | ||
| Spectral type | sdB | sdB | ||
| 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] | 0.06 (0.07) | 0.10 (0.05) | |
| Distance | [pc] | 17605.63 (22131) | 9881.42 (4452) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.467 (0.07) | -0.307 (0.03) | |
| Proper motion (declination) | [mas/yr] | -1.371 (0.09) | -1.289 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.50 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.57 (0.1) | 16.57 (0.1) | ||
| H magnitude | 15.70 | |||
| K magnitude | 15.31 | |||
| u magnitude | 17.04 (0.007) | 17.04 (0.007) | ||
| g magnitude | 16.16 (0.003) | 16.16 (0.003) | ||
| r magnitude | 16.48 (0.004) | 16.48 (0.004) | ||
| i magnitude | 16.70 (0.005) | 16.70 (0.005) | ||
| z magnitude | 16.86 (0.01) | 16.83 (0.01) | ||
| G magnitude | 16.37 (0.001) | 16.35 (0.003) | ||
| BP magnitude | 16.31 (0.006) | |||
| RP magnitude | 16.38 (0.007) | |||
| Pan g magnitude | 16.24 (0.005) | |||
| Pan r magnitude | 16.50 (0.004) | |||
| Pan i magnitude | 16.73 (0.002) | |||
| Pan z magnitude | 16.88 (0.005) | |||
| Pan y magnitude | 16.94 (0.004) | |||
| E(B-V) | 0.017 | |||
* 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.