All names: Gaia DR2 5976211662537610368, USNO-B1.0 0563-00554007, UCAC2 17553691, UCAC4 282-117151, [RWW88] SC 172117.2-333824, DENIS J172434.9-334110, TIC 158600705, 2MASS J17243494-3341107, Gaia DR3 5976211662537610368, Gaia DR2 5976211662538019584, SC1721-336
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 24 34.79 | 17 24 34.95 (0.04) | ||
| Declination | -33 41 04.99 | -33 41 10.86 (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] | -0.19 (0.4) | 0.98 (0.04) | |
| Distance | [pc] | 1015.74 (42) | ||
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.234 (0.8) | -10.87 (0.05) | |
| Proper motion (declination) | [mas/yr] | -3.671 (0.5) | -3.728 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.90 | |||
| V magnitude | ||||
| R magnitude | 15.63 (0.2) | |||
| I magnitude | 15.42 (0.06) | |||
| J magnitude | 13.16 (0.03) | 15.57 (0.1) | ||
| H magnitude | 11.44 (0.03) | |||
| K magnitude | 10.80 (0.03) | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 18.88 (0.003) | 15.45 (0.003) | ||
| BP magnitude | 20.89 (0.3) | |||
| RP magnitude | 17.13 (0.02) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.360 | |||
* 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.