All names: GEN# +6.20056061, CSI+46-19177, GSC2 N030311352878, Gaia DR2 2127684982639844224, Gaia DR3 2127684982639844224, USNO-B1.0 1362-00308430, PN A55 49, PSO J289.7925+46.2477, Gaia EDR3 2127684982639844224, UBV M 44674, PN A66 61, UBV 16374, PK 077+14, NSV 11917, WD 1917+461, PK 077+14 1, KIC 9583158, PN G077.6+14.7, PN VV' 495
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 19 19 10.20 (0.05) | 19 19 10.20 (0.08) | 19 19 10.20 (0.05) | 19 19 10.18 | ||
| Declination | 46 14 51.96 (0.06) | 46 14 51.96 (0.09) | 46 14 51.97 (0.06) | 46 14 36.24 | ||
| Spectral type | DAO.57 | DAO.57 | ||||
| Effective temperature | [K] | |||||
| log(g) | [cgs] | |||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 0.64 (0.06) | 0.58 (0.09) | 0.64 (0.06) | ||
| Distance | [pc] | 1558.98 (147) | 1711.74 (253) | 1559.09 (148) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -0.239995637 (0.08) | -0.317 (0.2) | -0.24 (0.08) | ||
| Proper motion (declination) | [mas/yr] | -1.10387457 (0.08) | -1.16 (0.2) | -1.104 (0.08) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 17.05 | |||||
| V magnitude | 17.39 | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | ||||||
| g magnitude | 17.06 (0.003) | |||||
| r magnitude | 17.54 (0.004) | |||||
| i magnitude | 17.93 (0.003) | |||||
| z magnitude | 18.20 (0.009) | |||||
| G magnitude | 17.25 (0.005) | 17.29 | 17.25 (0.003) | |||
| BP magnitude | 17.08 (0.005) | 17.03 | ||||
| RP magnitude | 17.62 (0.01) | 17.59 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.049 | |||||
* 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.