All names: TYC 3426-324-1, US719, US 719, 2MASS J09334787+4604296, GALEX J093347.9+460427, LAMOST J093347.87+460429.7, Gaia EDR3 824447697209172096, Gaia DR3 824447697209172096, BPS BS 16926-0125, UCAC4 681-051238, TIC 279826483, Gaia DR2 824447697209172096
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 09 33 47.86 (0.04) | 09 33 47.92 | 09 33 47.88 (0.04) | ||
| Declination | 46 04 29.94 (0.03) | 46 04 29.89 | 46 04 29.77 (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] | 2.13 (0.05) | 2.14 (0.06) | 2.13 (0.05) | |
| Distance | [pc] | 469.57 (11) | 466.70 (14) | 469.57 (11) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -9.886 (0.04) | -9.928 (0.08) | -9.886 (0.04) | |
| Proper motion (declination) | [mas/yr] | 10.711 (0.04) | 10.584 (0.09) | 10.711 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 12.16 (0.07) | ||||
| V magnitude | 12.41 (0.1) | ||||
| R magnitude | 12.68 (0.09) | ||||
| I magnitude | |||||
| J magnitude | 12.97 (0.03) | 12.97 (0.03) | |||
| H magnitude | 13.06 (0.04) | 13.06 (0.04) | |||
| K magnitude | 13.23 (0.04) | 13.23 (0.04) | |||
| u magnitude | 13.11 (0.003) | ||||
| g magnitude | 12.44 (0.001) | 12.15 (0.06) | |||
| r magnitude | 12.74 (0.002) | 12.64 (0.08) | |||
| i magnitude | 13.18 (0.004) | 12.98 (0.05) | |||
| z magnitude | 13.66 (0.005) | ||||
| G magnitude | 12.37 (0.003) | 12.39 (0.0005) | 12.37 (0.003) | ||
| BP magnitude | 12.24 (0.003) | 12.18 (0.007) | |||
| RP magnitude | 12.64 (0.004) | 12.64 (0.002) | |||
| Pan g magnitude | 12.09 | ||||
| Pan r magnitude | 12.58 | ||||
| Pan i magnitude | 12.93 | ||||
| Pan z magnitude | 13.27 (0.01) | ||||
| Pan y magnitude | 13.43 (0.006) | ||||
| E(B-V) | 0.019 | ||||
* 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.