All names: LAMOST J165542.82+130148.3, Gaia DR3 4449162845336419840, PG1653+131, SDSS J165542.82+130148.4, GALEX J165542.9+130148, UCAC2 36487874, UCAC4 516-063898, Gaia DR2 4449162845336419840, 2MASS J16554282+1301485, LAMOST J165542.81+130148.5, TIC 353226252, PG 1653+131
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 55 42.82 | 16 55 42.82 (0.02) | ||
| Declination | 13 01 49.23 | 13 01 48.51 (0.02) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 25600.0 (900) | ||
| log(g) | [cgs] | 5.40 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.89 (0.05) | 0.94 (0.03) | |
| Distance | [pc] | 1126.00 (67) | 1067.69 (40) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.18 (0.08) | -1.083 (0.03) | |
| Proper motion (declination) | [mas/yr] | -12.564 (0.08) | -12.424 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.18 (0.02) | |||
| V magnitude | 14.42 (0.05) | |||
| R magnitude | 14.57 (0.04) | |||
| I magnitude | ||||
| J magnitude | 14.88 (0.04) | 14.88 (0.04) | ||
| H magnitude | 15.14 (0.08) | 15.14 (0.08) | ||
| K magnitude | 15.26 (0.2) | 15.26 (0.2) | ||
| u magnitude | 14.54 (0.005) | |||
| g magnitude | 14.79 (0.005) | 14.15 (0.04) | ||
| r magnitude | 14.79 (0.004) | 14.66 (0.01) | ||
| i magnitude | 15.13 (0.005) | 14.86 (0) | ||
| z magnitude | 15.14 (0.006) | |||
| G magnitude | 14.38 (0.0009) | 14.36 (0.003) | ||
| BP magnitude | 14.19 (0.008) | |||
| RP magnitude | 14.58 (0.003) | |||
| Pan g magnitude | 14.19 (0.005) | |||
| Pan r magnitude | 14.59 (0.002) | |||
| Pan i magnitude | 14.92 (0.002) | |||
| Pan z magnitude | 15.17 (0.002) | |||
| Pan y magnitude | 15.34 (0.002) | |||
| E(B-V) | 0.061 | |||
* 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.