All names: ZTF18abasoef, Gaia DR2 2163612727665972096, TIC 1974089138, V* V3101 Cyg, Gaia DR3 2163612727665972096, TCP J21040470+4631129
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 21 04 04.69 | 21 04 04.68 (0.07) | |
| Declination | 46 31 13.72 | 46 31 14.46 (0.07) | |
| Spectral type | DQ | DQ | |
| Effective temperature | [K] | 6898.0 (40) | |
| log(g) | [cgs] | 7.08 (0.02) | |
| Mass | [M☉] | 0.196 (0.007) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 9.23 | 9.23 (0.07) |
| Distance | [pc] | 108.39 | 108.39 (0.8) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 6.387 (0.1) | |
| Proper motion (declination) | [mas/yr] | -46.211 (0.08) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 17.70 | 17.70 (0.004) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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.