All names: HS 1741+2133, UCAC4 558-063708, LAMOST J174319.03+213237.5, GALEX J174319.1+213237, HS1741+2133, Gaia DR2 4556063035156496768, TIC 363766470, Gaia DR3 4556063035156496768, 2MASS J17431903+2132375, UCAC2 39508701
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 43 19.06 | 17 43 19.03 (0.009) | ||
| Declination | 21 32 38.18 | 21 32 37.57 (0.02) | ||
| Spectral type | sdB+WD | sdOB | ||
| Effective temperature | [K] | 35600.0 (800) | ||
| log(g) | [cgs] | 5.30 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.04 (0.04) | 1.07 (0.02) | |
| Distance | [pc] | 964.97 (33) | 934.93 (20) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -11.414 (0.03) | -11.36 (0.01) | |
| Proper motion (declination) | [mas/yr] | 3.216 (0.06) | 3.23 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.82 (0.01) | |||
| V magnitude | 13.99 (0.01) | |||
| R magnitude | 14.21 (0.08) | |||
| I magnitude | ||||
| J magnitude | 14.39 (0.04) | 14.39 (0.04) | ||
| H magnitude | 14.62 (0.06) | 14.62 (0.06) | ||
| K magnitude | 14.76 (0.1) | 14.76 (0.1) | ||
| u magnitude | 13.63 (0.003) | |||
| g magnitude | 13.82 (0.02) | |||
| r magnitude | 14.19 (0.003) | 14.16 (0.06) | ||
| i magnitude | 14.48 (0.004) | 14.29 (0.02) | ||
| z magnitude | 14.75 (0.004) | |||
| G magnitude | 14.01 (0.0003) | 13.99 (0.003) | ||
| BP magnitude | 13.85 (0.004) | |||
| RP magnitude | 14.16 (0.0007) | |||
| Pan g magnitude | 13.91 (0.005) | |||
| Pan r magnitude | 14.22 (0.004) | |||
| Pan i magnitude | 14.51 (0.003) | |||
| Pan z magnitude | 14.75 (0.003) | |||
| Pan y magnitude | 14.90 (0.003) | |||
| E(B-V) | 0.063 | |||
* 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.