All names: 2MASS J22484412+1540444, Gaia DR2 2828625844367943808, WISEA J224844.14+154044.5, WISE J224844.13+154044.6, PG 2246+154, Gaia DR3 2828625844367943808, WD 2246+154, UCAC4 529-147511, SDSS J224844.13+154044.3, TIC 88653358, UCAC2 37468000
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 22 48 44.12 (0.04) | ||
| Declination | 15 40 44.47 (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] | 0.60 (0.04) | |
| Distance | [pc] | 1665.83 (117) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 12.072 (0.05) | |
| Proper motion (declination) | [mas/yr] | -9.78 (0.05) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 15.00 (0.01) | ||
| V magnitude | 15.16 (0.03) | ||
| R magnitude | 14.73 (0.7) | ||
| I magnitude | |||
| J magnitude | 15.60 (0.06) | ||
| H magnitude | 15.70 (0.1) | ||
| K magnitude | 15.59 (0.2) | ||
| u magnitude | |||
| g magnitude | 14.93 (0.01) | ||
| r magnitude | 15.40 (0.03) | ||
| i magnitude | 15.56 (0.1) | ||
| z magnitude | |||
| G magnitude | 15.11 (0.003) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | 0.065 | ||
* 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.