All names: WISEA J224655.21+153058.3, UCAC2 37467897, UCAC4 528-152103, WISE J224655.19+153058.4, HIDDEN NAME PG 2244+152, TIC 60717401, SDSS J224655.18+153059.0, Gaia DR2 2732552133240294272, 2MASS J22465519+1530599, Gaia EDR3 2732552133240294272, GALEX J224655.1+153059, PG2244+152, PG 2244+153, Gaia DR3 2732552133240294272, LAMOST J224655.17+153059.0
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 46 55.19 (0.05) | 22 46 55.15 | 22 46 55.17 (0.05) | ||
| Declination | 15 30 59.02 (0.04) | 15 30 58.83 | 15 30 59.00 (0.04) | ||
| Spectral type | He-sdO | sdO | |||
| Effective temperature | [K] | 44123.0 (219) | |||
| log(g) | [cgs] | 6.28 (0.04) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.56 (0.05) | 0.58 (0.09) | 0.56 (0.05) | |
| Distance | [pc] | 1780.94 (168) | 1732.20 (255) | 1780.94 (168) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 14.192 (0.06) | 14.319 (0.2) | 14.192 (0.06) | |
| Proper motion (declination) | [mas/yr] | 1.459 (0.06) | 1.158 (0.1) | 1.459 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.65 (0.06) | ||||
| V magnitude | 15.78 (0.2) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.16 (0.1) | 16.16 (0.1) | |||
| H magnitude | 16.51 (0.3) | 16.51 (0.3) | |||
| K magnitude | 16.25 | ||||
| u magnitude | 15.23 (0.004) | ||||
| g magnitude | 15.48 (0.004) | 15.54 (0.01) | |||
| r magnitude | 15.92 (0.004) | 16.01 (0.01) | |||
| i magnitude | 16.23 (0.005) | ||||
| z magnitude | 16.52 (0.009) | ||||
| G magnitude | 15.70 (0.003) | 15.72 (0.001) | 15.70 (0.003) | ||
| BP magnitude | 15.58 (0.006) | 15.52 (0.01) | |||
| RP magnitude | 15.92 (0.005) | 15.91 (0.006) | |||
| Pan g magnitude | 16.82 (0.04) | ||||
| Pan r magnitude | 15.85 (0.005) | ||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.066 | ||||
* 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.