All names: Gaia EDR3 3675067076961979264, Gaia DR3 3675067076961979264, BD-07 3477, EPIC 228755638, HE 1241-0823, PG 1241-084, HIP 62157, uvby98 -000703477 V, TD1 31073, 1SWASP J124420.23-084016.8, HIC 62157, PPM 195791, V* HW Vir, TYC 5528-629-1, HWVir, NSVS 15972828, [TFW97] J124420.24-084016.87, GSC 05528-00629, 2MASS J12442024-0840168, UCAC4 407-055365, TIC 156618553, Gaia DR2 3675067076961979264
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 12 44 20.25 (0.05) | 12 44 20.21 | 12 44 20.24 (0.05) | ||
| Declination | -08 40 17.10 (0.03) | -08 40 15.93 | -08 40 16.85 (0.03) | ||
| Spectral type | sdB+dM | sdB2VIIHe3 | |||
| Effective temperature | [K] | 28500.0 (500) | |||
| log(g) | [cgs] | 5.63 (0.05) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 5.77 (0.06) | 5.80 (0.08) | 5.77 (0.06) | |
| Distance | [pc] | 173.23 (2) | 172.50 (3) | 173.23 (2) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 9.009 (0.09) | 8.969 (0.2) | 9.009 (0.09) | |
| Proper motion (declination) | [mas/yr] | -15.829 (0.06) | -15.677 (0.1) | -15.829 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 10.46 (0.04) | ||||
| V magnitude | 10.59 (0.06) | ||||
| R magnitude | 10.89 (0.05) | ||||
| I magnitude | |||||
| J magnitude | 10.97 (0.03) | 10.97 (0.03) | |||
| H magnitude | 11.09 (0.02) | 11.09 (0.02) | |||
| K magnitude | 11.12 (0.02) | 11.12 (0.02) | |||
| u magnitude | |||||
| g magnitude | 10.51 (0.01) | ||||
| r magnitude | 10.89 (0.05) | ||||
| i magnitude | 11.27 (0.05) | ||||
| z magnitude | 11.88 (0.003) | ||||
| G magnitude | 10.59 (0.005) | 10.61 (0.006) | 10.59 (0.005) | ||
| BP magnitude | 10.47 (0.01) | 10.46 (0.02) | |||
| RP magnitude | 10.83 (0.02) | 10.87 (0.03) | |||
| Pan g magnitude | 10.41 | ||||
| Pan r magnitude | 10.80 | ||||
| Pan i magnitude | 11.12 | ||||
| Pan z magnitude | 11.35 | ||||
| Pan y magnitude | 11.53 | ||||
| E(B-V) | 0.017 | ||||
* 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.