All names: TIC 278659026, 2MASS J21534125-7004314, GSC 09327-01311, GALEX J215341.2-700431, Gaia DR3 6395639996658760832, GALAH 161012002601127, Gaia DR2 6395639996658760832, EC21494-7018, Gaia EDR3 6395639996658760832, EC 21494-7018, TYC 9327-1311-1
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 53 41.27 (0.02) | 21 53 41.26 | 21 53 41.25 (0.02) | ||
| Declination | -70 04 32.22 (0.03) | -70 04 31.55 | -70 04 31.44 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 23720.0 (260) | |||
| log(g) | [cgs] | 5.65 (0.03) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 4.84 (0.03) | 4.91 (0.05) | 4.84 (0.03) | |
| Distance | [pc] | 206.72 (1) | 203.66 (2) | 206.72 (1) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 5.9 (0.03) | 5.979 (0.07) | 5.9 (0.03) | |
| Proper motion (declination) | [mas/yr] | -48.448 (0.03) | -48.423 (0.08) | -48.448 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 11.35 (0.05) | ||||
| V magnitude | 11.57 (0.09) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 12.15 (0.02) | 12.15 (0.02) | |||
| H magnitude | 12.26 (0.03) | 12.26 (0.03) | |||
| K magnitude | 12.38 (0.03) | 12.38 (0.03) | |||
| u magnitude | |||||
| g magnitude | 11.48 | ||||
| r magnitude | 11.95 | ||||
| i magnitude | 12.26 | ||||
| z magnitude | 12.52 | ||||
| G magnitude | 11.58 (0.003) | 11.59 (0.0009) | 11.58 (0.003) | ||
| BP magnitude | 11.46 (0.003) | 11.43 (0.008) | |||
| RP magnitude | 11.83 (0.004) | 11.83 (0.002) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.011 | ||||
* 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.