All names: TIC 233653495, FBS1516+424, FBS B 350, GALEX J151754.6+421506, Gaia DR2 1392610061596136064, FBS 1516+424, 2MASS J15175465+4215078, Gaia DR3 1392610061596136064
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 15 17 54.64 | 15 17 54.66 (0.01) | ||
| Declination | 42 15 07.90 | 42 15 07.98 (0.02) | ||
| Spectral type | sd | 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] | 0.11 (0.03) | 0.13 (0.02) | |
| Distance | [pc] | 9425.07 (2665) | 7468.26 (987) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.593 (0.05) | -1.583 (0.02) | |
| Proper motion (declination) | [mas/yr] | -5.925 (0.07) | -5.874 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.98 | |||
| V magnitude | 14.78 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.32 (0.03) | 14.32 (0.03) | ||
| H magnitude | 14.21 (0.05) | 14.21 (0.05) | ||
| K magnitude | 14.40 (0.1) | 14.40 (0.1) | ||
| u magnitude | 15.72 (0.005) | |||
| g magnitude | 14.44 (0.003) | |||
| r magnitude | 14.64 (0.004) | |||
| i magnitude | 14.78 (0.004) | |||
| z magnitude | 14.87 (0.005) | |||
| G magnitude | 14.56 (0.0004) | 14.54 (0.003) | ||
| BP magnitude | 14.59 (0.002) | |||
| RP magnitude | 14.46 (0.002) | |||
| Pan g magnitude | 14.52 (0.004) | |||
| Pan r magnitude | 14.66 (0.0004) | |||
| Pan i magnitude | 14.82 (0.003) | |||
| Pan z magnitude | 14.90 (0.004) | |||
| Pan y magnitude | 14.91 (0.007) | |||
| E(B-V) | 0.023 | |||
* 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.