All names: FBS B 482, 2MASS J07344614+3421207, Ton826, Gaia DR3 893594510306886784, SDSS J073446.15+342120.9, KUV 07315+3428, LAMOST J073446.14+342120.8, FBS 0731+345, GALEX J073446.1+342121, Gaia DR2 893594510306886784, TIC 239186520, UCAC2 43782752, Ton 826, UCAC4 622-040149
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 07 34 46.14 | 07 34 46.15 (0.04) | ||
| Declination | 34 21 20.90 | 34 21 20.92 (0.04) | ||
| Spectral type | sdB | sdBHe6 | ||
| Effective temperature | [K] | 27699.0 (316) | ||
| log(g) | [cgs] | 5.36 (0.04) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.42 (0.07) | 0.49 (0.06) | |
| Distance | [pc] | 2375.86 (421) | 2050.02 (241) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.47 (0.1) | -0.387 (0.06) | |
| Proper motion (declination) | [mas/yr] | -2.473 (0.1) | -2.465 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.31 (0.04) | |||
| V magnitude | 15.34 (0.03) | |||
| R magnitude | 15.84 (0.04) | |||
| I magnitude | ||||
| J magnitude | 15.98 (0.08) | 15.98 (0.08) | ||
| H magnitude | 16.12 (0.2) | 16.12 (0.2) | ||
| K magnitude | 15.38 | |||
| u magnitude | 15.21 (0.004) | 15.21 (0.004) | ||
| g magnitude | 15.21 (0.003) | 15.21 (0.003) | ||
| r magnitude | 15.62 (0.004) | 15.62 (0.004) | ||
| i magnitude | 15.93 (0.004) | 15.93 (0.004) | ||
| z magnitude | 16.19 (0.008) | 16.19 (0.008) | ||
| G magnitude | 15.46 (0.001) | 15.44 (0.003) | ||
| BP magnitude | 15.30 (0.01) | |||
| RP magnitude | 15.61 (0.004) | |||
| Pan g magnitude | 15.31 (0.0007) | |||
| Pan r magnitude | 15.64 (0.006) | |||
| Pan i magnitude | 15.96 (0.002) | |||
| Pan z magnitude | 16.20 (0.004) | |||
| Pan y magnitude | 16.34 (0.005) | |||
| E(B-V) | 0.036 | |||
* 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.