All names: TIC 302126235, Gaia DR3 6796915526949524096, GALEX J202921.3-292413, EC 20262-2934, Gaia EDR3 6796915526949524096, Gaia DR2 6796915526949524096, UCAC4 303-272049, GALEXJ20293-2924, 2MASS J20292149-2924139
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 20 29 21.49 (0.03) | 20 29 21.36 | 20 29 21.50 (0.03) | ||
| Declination | -29 24 14.24 (0.03) | -29 24 13.56 | -29 24 13.95 (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] | 1.14 (0.04) | 1.11 (0.06) | 1.14 (0.04) | |
| Distance | [pc] | 876.35 (28) | 904.81 (45) | 876.35 (28) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -2.413 (0.04) | -2.469 (0.09) | -2.413 (0.04) | |
| Proper motion (declination) | [mas/yr] | -18.132 (0.03) | -18.042 (0.07) | -18.132 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.99 | ||||
| V magnitude | 14.20 | ||||
| R magnitude | 14.62 (0.07) | ||||
| I magnitude | |||||
| J magnitude | 14.67 (0.03) | 14.67 (0.03) | |||
| H magnitude | 14.67 (0.05) | 14.67 (0.05) | |||
| K magnitude | 14.82 (0.09) | 14.82 (0.09) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.15 (0.003) | 14.17 (0.0007) | 14.15 (0.003) | ||
| BP magnitude | 14.03 (0.003) | 13.97 (0.007) | |||
| RP magnitude | 14.37 (0.004) | 14.37 (0.002) | |||
| Pan g magnitude | 14.03 (0.004) | ||||
| Pan r magnitude | 14.40 (0.003) | ||||
| Pan i magnitude | 14.70 (0.002) | ||||
| Pan z magnitude | 14.95 (0.004) | ||||
| Pan y magnitude | 15.08 (0.006) | ||||
| E(B-V) | 0.054 | ||||
* 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.