All names: Gaia DR3 2101020107679847552, EQ J1917+3927, SDSS J191719.16+392718.8, KIS J191719.17+392718.2, KIC 4357037, Gaia DR2 2101020107679847552
| Parameter | Unit | Stilism | Greiss et al. 2016 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 17 19.17 | 19 17 19.17 (0.09) | |||
| Declination | 39 27 17.74 | 39 27 19.33 (0.1) | |||
| Spectral type | DA | DA | |||
| Effective temperature | [K] | 10950.0 | 11196.0 (308) | ||
| log(g) | [cgs] | 8.11 | 7.88 (0.04) | ||
| Mass | [M☉] | 0.538 (0.03) | |||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 4.85 | 4.85 (0.1) | ||
| Distance | [pc] | 206.30 | 206.30 (5) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.471 (0.1) | |||
| Proper motion (declination) | [mas/yr] | -99.635 (0.1) | |||
| Variability | VAR | ||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | 18.20 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 18.56 (0.03) | ||||
| g magnitude | 18.21 (0.02) | ||||
| r magnitude | 18.39 (0.01) | ||||
| i magnitude | 18.51 (0.02) | ||||
| z magnitude | 18.70 (0.03) | ||||
| G magnitude | 18.24 | 18.24 (0.003) | |||
| BP magnitude | |||||
| RP magnitude | |||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.023 | ||||
| Period #1 | [s] | 323.4 | |||
| Amplitude #1 | [mma] | 13 | |||
* 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.