All names: Gaia EDR3 1300819051340223104, Gaia DR2 1300819047042541056, Gaia DR3 1300819051340223104, PG 1630+249, WISEA J163209.66+244810.1, SDSS J163209.67+244810.0, UCAC4 575-054283, WD 1630+249, WISE J163209.64+244810.0
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 32 09.67 (0.03) | 16 32 09.68 (0.03) | ||
| Declination | 24 48 09.91 (0.04) | 24 48 10.02 (0.04) | ||
| Spectral type | sdB/OB | |||
| 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] | 0.50 (0.05) | 0.50 (0.05) | |
| Distance | [pc] | 1991.24 (195) | 1991.24 (195) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.0 (0.04) | -4.0 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.341 (0.05) | -7.341 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.92 (0.04) | |||
| V magnitude | 16.14 (0.01) | |||
| R magnitude | 16.02 (0.6) | |||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 15.57 (0.02) | |||
| g magnitude | 15.99 (0.01) | |||
| r magnitude | 16.55 (0.01) | |||
| i magnitude | 16.68 (0.01) | |||
| z magnitude | 17.02 (0.02) | |||
| G magnitude | 16.11 (0.003) | 16.11 (0.003) | ||
| BP magnitude | 15.95 (0.004) | |||
| RP magnitude | 16.39 (0.005) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.035 | |||
* 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.