All names: PG 2246+019, Gaia EDR3 2656170267344606464, HS 2246+0158, PG2246+019, WISEA J224927.10+021431.8, TIC 422081421, WISE J224927.09+021431.6, Gaia DR2 2656170267344606464, SDSS J224927.08+021432.4, UCAC4 462-126288, Gaia DR3 2656170267344606464, 2MASS J22492706+0214323, GALEX J224927.0+021433, UCAC2 32637764
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 49 27.09 (0.05) | 22 49 27.04 | 22 49 27.08 (0.05) | ||
| Declination | 02 14 32.38 (0.04) | 02 14 32.92 | 02 14 32.45 (0.04) | ||
| Spectral type | sdB | sdBO | |||
| Effective temperature | [K] | 33600.0 (1000) | |||
| log(g) | [cgs] | 5.85 (0.2) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.75 (0.06) | 0.67 (0.08) | 0.75 (0.06) | |
| Distance | [pc] | 1335.65 (108) | 1498.58 (185) | 1335.65 (108) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 10.594 (0.06) | 10.574 (0.1) | 10.594 (0.06) | |
| Proper motion (declination) | [mas/yr] | -4.353 (0.05) | -4.282 (0.1) | -4.353 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.49 (0.03) | ||||
| V magnitude | 15.70 (0.01) | ||||
| R magnitude | 16.07 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 16.22 (0.09) | 16.22 (0.09) | |||
| H magnitude | 16.92 | ||||
| K magnitude | 15.19 | ||||
| u magnitude | 15.25 (0.005) | ||||
| g magnitude | 15.46 (0.003) | ||||
| r magnitude | 15.88 (0.004) | ||||
| i magnitude | 16.23 (0.005) | ||||
| z magnitude | 16.50 (0.009) | ||||
| G magnitude | 15.69 (0.003) | 15.71 (0.0009) | 15.69 (0.003) | ||
| BP magnitude | 15.57 (0.004) | 15.55 (0.01) | |||
| RP magnitude | 15.92 (0.005) | 15.92 (0.007) | |||
| Pan g magnitude | 15.54 (0.003) | ||||
| Pan r magnitude | 15.91 (0.004) | ||||
| Pan i magnitude | 16.26 (0.003) | ||||
| Pan z magnitude | 16.51 (0.003) | ||||
| Pan y magnitude | 16.70 (0.01) | ||||
| E(B-V) | 0.057 | ||||
* 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.