All names: Gaia DR3 633011250955383168, 2MASS J09371627+1825112, SBC9 3326, PG 0934+186, [TFW97] J093716.28+182511.13, UCAC2 38255871, PG0934+186, UCAC4 543-049860, Gaia EDR3 633011250955383168, GALEX J093716.4+182511, Gaia DR2 633011250955383168, TIC 91986289, LAMOST J093716.27+182511.2
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 09 37 16.25 (0.04) | 09 37 16.31 | 09 37 16.27 (0.04) | ||
| Declination | 18 25 11.09 (0.03) | 18 25 11.80 | 18 25 11.25 (0.03) | ||
| Spectral type | sdB+WD | sdB | |||
| Effective temperature | [K] | 34970.0 (1060) | |||
| log(g) | [cgs] | 5.58 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.54 (0.05) | 1.73 (0.09) | 1.54 (0.05) | |
| Distance | [pc] | 650.41 (20) | 576.80 (31) | 650.41 (20) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -13.922 (0.05) | -13.711 (0.1) | -13.922 (0.05) | |
| Proper motion (declination) | [mas/yr] | -10.018 (0.04) | -10.151 (0.1) | -10.018 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 12.85 (0.03) | ||||
| V magnitude | 13.13 (0.04) | ||||
| R magnitude | 13.44 (0.04) | ||||
| I magnitude | |||||
| J magnitude | 13.76 (0.03) | 13.76 (0.03) | |||
| H magnitude | 13.97 (0.04) | 13.97 (0.04) | |||
| K magnitude | 13.93 (0.04) | 13.93 (0.04) | |||
| u magnitude | 14.48 (0.01) | ||||
| g magnitude | 13.04 (0.001) | ||||
| r magnitude | 13.44 (0.002) | ||||
| i magnitude | 13.81 (0.003) | ||||
| z magnitude | 14.40 (0.006) | ||||
| G magnitude | 13.08 (0.003) | 13.10 (0.001) | 13.08 (0.003) | ||
| BP magnitude | 12.92 (0.003) | 12.84 (0.009) | |||
| RP magnitude | 13.38 (0.004) | 13.38 (0.002) | |||
| Pan g magnitude | 13.07 | ||||
| Pan r magnitude | 13.49 | ||||
| Pan i magnitude | 13.72 (0.006) | ||||
| Pan z magnitude | 14.02 (0.002) | ||||
| Pan y magnitude | 14.18 (0.006) | ||||
| E(B-V) | 0.026 | ||||
* 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.