All names: Gaia EDR3 1820963913284517504, PN A66 63, PN A55 51, AKARI-FIS-V1 J1942099+170519, WD 1939+169, Gaia DR3 1820963913284517504, TIC 1842385646, NSV 12320, PN ARO 161, GEN# +6.20056063, UBV 16747, V* UU Sge, UCAC3 215-226822, PN G053.8-03.0, Gaia DR2 1820963913284517504, UBV M 44675, SV* SON 8314, IRAS 19398+1657, PN VV' 509, PK 053-03 1, CSI+16-19399, SV* HV 5452
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 19 42 10.29 (0.02) | 19 42 10.29 (0.02) | 19 42 10.29 (0.02) | 19 42 10.27 | ||
| Declination | 17 05 14.34 (0.02) | 17 05 14.34 (0.02) | 17 05 14.46 (0.02) | 17 05 13.56 | ||
| Spectral type | sdO+G | WD/M | ||||
| 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] | 0.37 (0.03) | 0.36 (0.03) | 0.37 (0.03) | ||
| Distance | [pc] | 2738.93 (196) | 2769.32 (263) | 2738.98 (196) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -3.277495433 (0.02) | -3.241 (0.04) | -3.277 (0.02) | ||
| Proper motion (declination) | [mas/yr] | -7.49700938 (0.02) | -7.465 (0.05) | -7.497 (0.02) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| 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 | 14.97 (0.02) | 15.10 | 14.97 (0.01) | |||
| BP magnitude | 14.99 (0.02) | 14.96 | ||||
| RP magnitude | 14.71 (0.02) | 14.80 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.446 | |||||
* 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.