All names: 2MASS J19321480+2758354, KPD 1930+2752, Gaia DR3 2026104646738300416, KPD1930+2752, WD 1930+278, Gaia EDR3 2026104646738300416, V* V2214 Cyg, Gaia DR2 2026104646738300416, TIC 284692897, SBC9 2378
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 19 32 14.81 (0.02) | 19 32 14.85 | 19 32 14.81 (0.03) | 19 32 14.81 (0.02) | 19 32 14.14 | ||
| Declination | 27 58 35.44 (0.03) | 27 58 34.79 | 27 58 35.44 (0.04) | 27 58 35.45 (0.03) | 27 58 34.32 | ||
| Spectral type | sdBV+WD | sdB | sdB/WD | ||||
| Effective temperature | [K] | 35200.0 | |||||
| log(g) | [cgs] | 5.61 | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 1.19 (0.04) | 1.14 (0.05) | 1.14 (0.05) | 1.19 (0.04) | ||
| Distance | [pc] | 840.34 (26) | 876.35 (38) | 876.35 (38) | 840.34 (26) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 1.599504677 (0.03) | 1.744 (0.07) | 1.744 (0.07) | 1.6 (0.03) | ||
| Proper motion (declination) | [mas/yr] | -0.55028232 (0.04) | -0.499 (0.09) | -0.499 (0.09) | -0.55 (0.04) | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | yes | ||||||
| B magnitude | 13.75 | ||||||
| V magnitude | 13.82 | ||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 13.98 (0.03) | 13.98 (0.03) | |||||
| H magnitude | 13.97 (0.04) | 13.97 (0.04) | |||||
| K magnitude | 14.04 (0.05) | 14.04 (0.05) | |||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 13.81 (0.002) | 13.82 (0.0009) | 13.82 | 13.81 (0.003) | |||
| BP magnitude | 13.75 (0.002) | 13.72 (0.006) | 13.72 | ||||
| RP magnitude | 13.86 (0.002) | 13.87 (0.003) | 13.87 | ||||
| Pan g magnitude | 13.77 (0.0005) | ||||||
| Pan r magnitude | 14.01 (0.009) | ||||||
| Pan i magnitude | 14.23 (0.003) | ||||||
| Pan z magnitude | 14.43 (0.003) | ||||||
| Pan y magnitude | 14.54 (0.005) | ||||||
| E(B-V) | 0.225 | ||||||
* 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.