All names: YZ 118 13064, HIP 97962, GSC 06903-01747, SBC9 3419, HIC 97962, TIC 209134081, HD 188112, WDJ195431.42-282020.68, Gaia EDR3 6753413448178338944, TYC 6903-1747-1, Gaia DR3 6753413448178338944, RAVE J195431.4-282021, HD188112, Gaia DR2 6753413448178338944, CD-28 16258, PPM 270420, SAO 188694, GEN# +1.00188112, TD1 25617, uvby98 100188112, CPD-28 7053, 2MASS J19543141-2820207
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|
| Right ascension | 19 54 31.46 (0.04) | 19 54 31.39 | 19 54 31.42 (0.04) | 19 54 31.46 | ||
| Declination | -28 20 20.36 (0.04) | -28 20 20.90 | -28 20 20.68 (0.04) | -28 20 20.37 | ||
| Spectral type | sdB+WD | sdB | ||||
| Effective temperature | [K] | 21500.0 (500) | ||||
| log(g) | [cgs] | 5.66 (0.06) | ||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 13.97 (0.05) | 13.69 (0.08) | 13.97 (0.05) | 13.69 (0.08) | |
| Distance | [pc] | 71.56 (0.3) | 73.05 (0.4) | 71.56 (0.3) | 73.05 (0.4) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 32.32539895 (0.05) | 32.314 (0.1) | 32.325 (0.05) | 32.313727 | |
| Proper motion (declination) | [mas/yr] | 20.12994516 (0.04) | 20.101 (0.07) | 20.13 (0.04) | 20.10114905 | |
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 10.01 (0.03) | |||||
| V magnitude | 10.22 (0.04) | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 10.67 (0.02) | 10.67 (0.02) | ||||
| H magnitude | 10.78 (0.02) | 10.78 (0.02) | ||||
| K magnitude | 10.84 (0.02) | 10.84 (0.02) | ||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 10.17 (0.001) | 10.17 (0.0007) | 10.17 (0.003) | 10.17 | ||
| BP magnitude | 10.05 (0.001) | 10.06 (0.002) | 10.06 | |||
| RP magnitude | 10.38 (0.0005) | 10.38 (0.001) | 10.38 | |||
| Pan g magnitude | 9.94 | |||||
| Pan r magnitude | 10.37 | |||||
| Pan i magnitude | 10.71 | |||||
| Pan z magnitude | 10.97 | |||||
| Pan y magnitude | 11.18 | |||||
| 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.