All names: TIC 301176263, LB 1173, 2MASS J23205527-0551229, BPS CS 22949-0025, GALEX J232055.2-055120, Gaia DR3 2633482463380792320, PHL 470, Gaia DR2 2633482463380792320, LB1173, Gaia EDR3 2633482463380792320
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 23 20 55.28 (0.04) | 23 20 55.27 | 23 20 55.28 (0.04) | ||
| Declination | -05 51 22.96 (0.03) | -05 51 22.07 | -05 51 22.76 (0.03) | ||
| Spectral type | sdB | sdB | |||
| 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] | 0.82 (0.04) | 0.74 (0.06) | 0.82 (0.04) | |
| Distance | [pc] | 1223.09 (61) | 1359.99 (112) | 1223.09 (61) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.934 (0.05) | 1.109 (0.1) | 0.934 (0.05) | |
| Proper motion (declination) | [mas/yr] | -12.323 (0.04) | -12.367 (0.09) | -12.323 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.92 | ||||
| V magnitude | 15.22 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.84 (0.07) | 15.84 (0.07) | |||
| H magnitude | 16.00 (0.2) | 16.00 (0.2) | |||
| K magnitude | 16.01 | ||||
| u magnitude | 14.78 (0.004) | ||||
| g magnitude | 15.01 (0.003) | ||||
| r magnitude | 15.49 (0.003) | ||||
| i magnitude | 15.82 (0.004) | ||||
| z magnitude | 16.12 (0.007) | ||||
| G magnitude | 15.25 (0.003) | 15.27 (0.0008) | 15.25 (0.003) | ||
| BP magnitude | 15.12 (0.004) | 15.05 (0.01) | |||
| RP magnitude | 15.53 (0.007) | 15.52 (0.003) | |||
| Pan g magnitude | 15.10 (0.01) | ||||
| Pan r magnitude | 15.51 (0.002) | ||||
| Pan i magnitude | 15.86 (0.002) | ||||
| Pan z magnitude | 16.14 (0.003) | ||||
| Pan y magnitude | 16.32 (0.009) | ||||
| E(B-V) | 0.030 | ||||
* 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.