All names: LAMOST J101756.83+551632.4, TIC 148624156, Gaia DR3 852930649005313408, Gaia DR2 852930649005313408, Gaia DR1 852930649005313408, 2MASS J10175695+5516319, GALEXJ10179+5516, GALEX J101756.8+551632, TYC 3818-1084-1
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 10 17 56.88 | 10 17 56.95 (0.01) | ||
| Declination | 55 16 32.44 | 55 16 31.81 (0.01) | ||
| Spectral type | sdB+F5V | sdB+F5V | ||
| Effective temperature | [K] | 24260.0 (1450) | ||
| log(g) | [cgs] | 5.05 (0.5) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.44 (0.04) | 1.37 (0.02) | |
| Distance | [pc] | 695.60 (18) | 727.64 (11) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -16.365 (0.05) | -16.322 (0.02) | |
| Proper motion (declination) | [mas/yr] | -5.218 (0.06) | -5.1 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.04 (0.09) | |||
| V magnitude | 12.35 (0.2) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 11.22 (0.03) | 11.22 (0.03) | ||
| H magnitude | 11.10 (0.02) | 11.10 (0.02) | ||
| K magnitude | 11.07 (0.02) | 11.07 (0.02) | ||
| u magnitude | 14.22 (0.005) | |||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | 11.91 (0.001) | |||
| z magnitude | 13.35 (0.006) | |||
| G magnitude | 11.69 (0.0005) | 11.68 (0.003) | ||
| BP magnitude | 11.76 (0.003) | |||
| RP magnitude | 11.49 (0.001) | |||
| Pan g magnitude | 12.23 | |||
| Pan r magnitude | 12.07 | |||
| Pan i magnitude | 11.99 | |||
| Pan z magnitude | 11.95 | |||
| Pan y magnitude | 11.96 (0.003) | |||
| E(B-V) | 0.022 | |||
* 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.