All names: HIC 81145, TYC 5056-274-1, HD 149382, TIC 57945782, GSC 05056-00274, PG 1631-039, BD-03 3967, GEN# +1.00149382, Gaia DR3 4354377620100892416, Gaia DR2 4354377620100892416, 2MASS J16342334-0400521, PPM 199788, UBV M 21524, PG1631-039, HIP 81145, GCRV 9530, WEB 13721, uvby98 100149382, TD1 19309, UCAC2 30388151, LS IV -03 1, Gaia EDR3 4354377620100892416, YZ 93 5695, ALS 9317, SAO 141250
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 16 34 23.33 (0.05) | 16 34 23.32 | 16 34 23.33 (0.05) | ||
| Declination | -04 00 52.12 (0.02) | -04 00 51.99 | -04 00 52.03 (0.02) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 34200.0 (1000) | |||
| log(g) | [cgs] | 5.89 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 13.24 (0.06) | 13.02 (0.08) | 13.24 (0.06) | |
| Distance | [pc] | 75.52 (0.3) | 76.83 (0.5) | 75.52 (0.3) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -6.234 (0.07) | -6.11 (0.1) | -6.234 (0.07) | |
| Proper motion (declination) | [mas/yr] | -5.78 (0.05) | -5.542 (0.09) | -5.78 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 8.66 (0.0008) | ||||
| V magnitude | 8.94 (0.0008) | ||||
| R magnitude | 9.07 (0.0008) | ||||
| I magnitude | 9.21 (0.0008) | ||||
| J magnitude | 9.46 (0.03) | 9.46 (0.03) | |||
| H magnitude | 9.46 (0.03) | 9.46 (0.03) | |||
| K magnitude | 9.42 (0.02) | 9.42 (0.02) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 8.89 (0.003) | 8.89 (0.0003) | 8.89 (0.003) | ||
| BP magnitude | 8.73 (0.003) | 8.74 (0.0008) | |||
| RP magnitude | 9.17 (0.004) | 9.17 (0.001) | |||
| Pan g magnitude | 8.71 | ||||
| Pan r magnitude | 9.11 | ||||
| Pan i magnitude | 9.43 | ||||
| Pan z magnitude | 9.68 | ||||
| Pan y magnitude | 9.86 | ||||
| E(B-V) | 0.003 | ||||
* 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.