All names: FBS B 915, GALEX J175324.6+691057, FBS 1753+692, Gaia DR3 1637779336156895360, GALEXJ17534+6910, 2MASS J17532460+6910575, HS 1753+6911, GALEX J175324.6+691058, Gaia DR2 1637779336156895360, TIC 219088154
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 53 24.63 | 17 53 24.61 (0.03) | ||
| Declination | 69 10 57.52 | 69 10 57.48 (0.03) | ||
| Spectral type | He-sdO | sdO | ||
| Effective temperature | [K] | 43710.0 (1160) | ||
| log(g) | [cgs] | 5.81 (0.4) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.53 (0.04) | 0.51 (0.03) | |
| Distance | [pc] | 1877.58 (143) | 1962.71 (117) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.695 (0.09) | -5.677 (0.04) | |
| Proper motion (declination) | [mas/yr] | 13.697 (0.09) | 13.733 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | 15.46 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.59 (0.06) | 15.59 (0.06) | ||
| H magnitude | 16.10 (0.2) | 16.10 (0.2) | ||
| K magnitude | 15.11 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.12 (0.0006) | 15.10 (0.003) | ||
| BP magnitude | 14.88 (0.008) | |||
| RP magnitude | 15.39 (0.004) | |||
| Pan g magnitude | 14.95 (0.002) | |||
| Pan r magnitude | 15.37 (0.002) | |||
| Pan i magnitude | 15.73 (0.002) | |||
| Pan z magnitude | 16.02 (0.003) | |||
| Pan y magnitude | 16.21 (0.002) | |||
| E(B-V) | 0.032 | |||
* 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.