All names: Gaia DR2 6695023475165063680, GSC 07467-01251, EC20229-3716, TIC 471013456, TIC 1991208781, Gaia DR3 6695023475165772928, TYC 7467-1251-1, EC 20229-3716, TIC 471013507, UCAC4 265-190530
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 26 13.72 | 20 26 13.74 (0.04) | ||
| Declination | -37 06 29.80 | -37 06 29.84 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 32500.0 (1100) | ||
| log(g) | [cgs] | 5.00 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.60 (0.1) | 1.77 (0.05) | |
| Distance | [pc] | 625.94 (44) | 564.91 (17) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 17.538 (0.2) | 17.264 (0.05) | |
| Proper motion (declination) | [mas/yr] | -19.82 (0.1) | -19.947 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 11.11 (0.05) | |||
| V magnitude | 11.33 (0.09) | |||
| R magnitude | 11.83 (0.04) | |||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 11.46 (0.001) | 11.45 (0.003) | ||
| BP magnitude | 11.26 (0.01) | |||
| RP magnitude | 11.72 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.040 | |||
* 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.