All names: PG 1653+119, 2MASS J16561051+1153139, SDSS J165610.51+115313.9, SDSSJ165610.51+115313.9, Gaia DR2 4448190155502458496, TIC 337518125, GALEX J165610.4+115314, Gaia DR3 4448190155502458496
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 56 10.51 | 16 56 10.51 (0.03) | ||
| Declination | 11 53 13.98 | 11 53 14.05 (0.03) | ||
| Spectral type | sd | B | ||
| 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] | 0.56 (0.05) | 0.59 (0.04) | |
| Distance | [pc] | 1772.74 (169) | 1686.91 (116) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.159 (0.1) | 1.162 (0.04) | |
| Proper motion (declination) | [mas/yr] | -8.374 (0.09) | -8.324 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.03 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.85 (0.08) | 15.85 (0.08) | ||
| H magnitude | 16.01 (0.2) | 16.01 (0.2) | ||
| K magnitude | 15.70 | |||
| u magnitude | 14.88 (0.004) | |||
| g magnitude | 15.02 (0.003) | |||
| r magnitude | 15.47 (0.004) | |||
| i magnitude | 15.80 (0.005) | |||
| z magnitude | 16.09 (0.007) | |||
| G magnitude | 15.28 (0.0006) | 15.26 (0.003) | ||
| BP magnitude | 15.06 (0.01) | |||
| RP magnitude | 15.48 (0.002) | |||
| Pan g magnitude | 15.10 (0.002) | |||
| Pan r magnitude | 15.49 (0.002) | |||
| Pan i magnitude | 15.83 (0.004) | |||
| Pan z magnitude | 16.08 (0.004) | |||
| Pan y magnitude | 16.24 (0.003) | |||
| E(B-V) | 0.060 | |||
* 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.