All names: UCAC4 803-024739, FBS B 910, Gaia DR3 1650122762927286656, PG1650+706, TIC 230134629, 2MASS J16501942+7030522, GALEX J165019.2+703052, WISE J165019.37+703051.8, FBS 1650+706, Gaia EDR3 1650122762927286656, PG 1650+706, Gaia DR2 1650122762927286656, WISEA J165019.39+703051.8
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 16 50 19.39 (0.03) | 16 50 19.37 | 16 50 19.39 (0.03) | ||
| Declination | 70 30 52.18 (0.04) | 70 30 52.11 | 70 30 52.22 (0.04) | ||
| Spectral type | sdOB | sdOB | |||
| 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] | 0.63 (0.03) | 0.60 (0.05) | 0.63 (0.03) | |
| Distance | [pc] | 1586.80 (85) | 1678.13 (139) | 1586.80 (85) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.113 (0.04) | 0.228 (0.08) | 0.113 (0.04) | |
| Proper motion (declination) | [mas/yr] | -2.61 (0.05) | -2.595 (0.1) | -2.61 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.67 (0.02) | ||||
| V magnitude | 14.89 (0.02) | ||||
| R magnitude | 15.51 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 15.55 (0.06) | 15.55 (0.06) | |||
| H magnitude | 15.81 (0.1) | 15.81 (0.1) | |||
| K magnitude | 15.50 (0.2) | 15.50 (0.2) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.95 (0.003) | 14.96 (0.0006) | 14.95 (0.003) | ||
| BP magnitude | 14.79 (0.003) | 14.70 (0.008) | |||
| RP magnitude | 15.25 (0.005) | 15.24 (0.005) | |||
| Pan g magnitude | 14.82 (0.004) | ||||
| Pan r magnitude | 15.22 (0.003) | ||||
| Pan i magnitude | 15.58 (0.002) | ||||
| Pan z magnitude | 15.86 (0.003) | ||||
| Pan y magnitude | 16.08 (0.008) | ||||
| E(B-V) | 0.025 | ||||
* 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.