All names: EC 21300-2412, Gaia DR3 6815719237366956032, BPS CS 29495-0021, 2MASS J21325546-2359221, Gaia DR2 6815719237366956032, GALEX J213255.5-235920, TIC 441078296, BPSCS29495-21
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 32 55.44 | 21 32 55.47 (0.03) | ||
| Declination | -23 59 22.35 | -23 59 22.28 (0.02) | ||
| 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] | 1.19 (0.07) | 1.23 (0.03) | |
| Distance | [pc] | 842.11 (46) | 815.26 (21) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 5.558 (0.09) | 5.005 (0.03) | |
| Proper motion (declination) | [mas/yr] | -1.999 (0.07) | -1.948 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.50 | |||
| V magnitude | 13.50 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.11 (0.03) | 13.11 (0.03) | ||
| H magnitude | 12.88 (0.03) | 12.88 (0.03) | ||
| K magnitude | 12.81 (0.03) | 12.81 (0.03) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 13.45 (0.0006) | 13.43 (0.003) | ||
| BP magnitude | 13.41 (0.006) | |||
| RP magnitude | 13.35 (0.003) | |||
| Pan g magnitude | 13.48 (0.003) | |||
| Pan r magnitude | 13.57 (0.01) | |||
| Pan i magnitude | 13.69 (0.002) | |||
| Pan z magnitude | 13.79 (0.003) | |||
| Pan y magnitude | 13.85 (0.002) | |||
| E(B-V) | 0.034 | |||
* 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.