All names: Gaia DR3 4442483415276834304, WISEA J165348.66+083627.6, UCAC4 494-067011, 2MASS J16534866+0836278, Gaia EDR3 4442483827593050752, WISE J165348.66+083627.8, PG1651+086, Gaia DR2 4442483415276834304, PG 1651+086, TIC 337425384, UCAC2 34860780, GALEX J165348.6+083627
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 16 53 55.28 (0.6) | 16 53 48.70 | 16 53 48.67 (0.03) | ||
| Declination | 08 37 19.87 (0.5) | 08 36 28.37 | 08 36 27.78 (0.02) | ||
| 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] | 1.30 (0.9) | 0.78 (0.05) | 0.74 (0.05) | |
| Distance | [pc] | 768.40 (506) | 1289.66 (88) | 1342.46 (82) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -2.783 (0.7) | -1.437 (0.09) | -2.022 (0.04) | |
| Proper motion (declination) | [mas/yr] | -6.765 (0.7) | -9.62 (0.08) | -10.065 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.30 (0.02) | ||||
| V magnitude | 15.38 (0.01) | ||||
| R magnitude | 15.79 (0.08) | ||||
| I magnitude | |||||
| J magnitude | 15.14 (0.04) | 15.14 (0.04) | |||
| H magnitude | 14.90 (0.08) | 14.90 (0.08) | |||
| K magnitude | 14.85 (0.1) | 14.85 (0.1) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 20.59 (0.008) | 15.30 (0.0007) | 15.29 (0.003) | ||
| BP magnitude | 20.93 (0.1) | 15.14 (0.01) | |||
| RP magnitude | 20.10 (0.1) | 15.37 (0.002) | |||
| Pan g magnitude | 15.23 (0.01) | ||||
| Pan r magnitude | 15.53 (0.002) | ||||
| Pan i magnitude | 15.74 (0.01) | ||||
| Pan z magnitude | 15.86 (0.004) | ||||
| Pan y magnitude | 15.94 (0.008) | ||||
| E(B-V) | 0.074 | ||||
* 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.