All names: GALEX J074603.3+334439, Gaia DR3 882125367078828672, TIC 4388056, SDSS J074603.34+334436.9, LAMOST J074603.33+334436.8, FBS B 483, 2MASS J07460334+3344369, FBS 0741+339, SDSS J074603.33+334436.8, SDSSJ074603.33+334436.8, Gaia DR2 882125367078828672, FBS 0742+339
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 07 46 03.34 | 07 46 03.34 (0.03) | ||
| Declination | 33 44 36.94 | 33 44 36.96 (0.02) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 26037.0 (264) | ||
| log(g) | [cgs] | 5.13 (0.03) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.51 (0.06) | 0.58 (0.04) | |
| Distance | [pc] | 1977.07 (231) | 1716.44 (107) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.505 (0.1) | -2.361 (0.04) | |
| Proper motion (declination) | [mas/yr] | -3.153 (0.06) | -3.152 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.49 (0.05) | 15.49 (0.05) | ||
| H magnitude | 15.74 (0.1) | 15.74 (0.1) | ||
| K magnitude | 15.83 (0.2) | 15.83 (0.2) | ||
| u magnitude | 14.81 (0.004) | 14.67 (0.01) | ||
| g magnitude | 14.86 (0.004) | 14.76 (0.01) | ||
| r magnitude | 15.19 (0.01) | |||
| i magnitude | 15.56 (0.005) | 15.52 (0.01) | ||
| z magnitude | 15.79 (0.007) | 15.81 (0.02) | ||
| G magnitude | 14.99 (0.0006) | 14.98 (0.003) | ||
| BP magnitude | 14.81 (0.006) | |||
| RP magnitude | 15.20 (0.004) | |||
| Pan g magnitude | 14.81 (0.001) | |||
| Pan r magnitude | 15.20 (0.002) | |||
| Pan i magnitude | 15.54 (0.002) | |||
| Pan z magnitude | 15.80 (0.003) | |||
| Pan y magnitude | 15.94 (0.005) | |||
| E(B-V) | 0.040 | |||
* 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.