All names: EC 22503-6710, 2MASS J22534225-6654170, UCAC4 116-145814, Gaia DR2 6391153989216551552, UCAC2 2661785, TIC 277773221, EC22503-6710, Gaia DR3 6391153989216551552
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 53 42.27 | 22 53 42.25 (0.02) | ||
| Declination | -66 54 17.21 | -66 54 17.13 (0.03) | ||
| Spectral type | sdB | sdB(+F?) | ||
| 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] | 0.97 (0.04) | 0.92 (0.03) | |
| Distance | [pc] | 1032.42 (47) | 1086.37 (35) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 11.735 (0.07) | 11.635 (0.03) | |
| Proper motion (declination) | [mas/yr] | 6.508 (0.09) | 6.736 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.80 (0.03) | |||
| V magnitude | 14.99 (0.01) | |||
| R magnitude | 15.38 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.54 (0.05) | 15.54 (0.05) | ||
| H magnitude | 15.78 (0.2) | 15.78 (0.2) | ||
| K magnitude | 15.52 (0.2) | 15.52 (0.2) | ||
| u magnitude | ||||
| g magnitude | 14.80 (0.01) | |||
| r magnitude | 15.19 (0.01) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.01 (0.0006) | 14.99 (0.003) | ||
| BP magnitude | 14.84 (0.005) | |||
| RP magnitude | 15.22 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.017 | |||
* 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.