All names: BD+22 3878, 2E 4308, 2MASX J19593637+2243157, PK 060-03, EUVE J1959+22.7, PK 060-03 1, NAME Diabolo Nebula, WD 1957+225, CSI+22-19572, NGC 6853, PN G060.8-03.6, RE J195935+224359, Gaia DR3 1827256624493300096, PLX 4735, 1RXS J195936.2+224309, 2E 1957.4+2235, GCRV 12336, Hen 2-452, RE J1959+224, PN VV' 521, PLX 4735.00, NAME Dumbbell Nebula, Gaia DR2 1827256624493300096, 2EUVE J1959+22.7, M 27, PN VV 246, Gaia EDR3 1827256624493300096, RX J1959.6+2243, PN ARO 14, IRAS 19574+2234
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 19 59 36.38 (0.02) | 19 59 36.37 (0.03) | 19 59 36.38 | 19 59 36.36 (0.02) | 19 59 39.55 | |||
| Declination | 22 43 16.37 (0.03) | 22 43 16.37 (0.03) | 22 43 16.37 | 22 43 16.31 (0.03) | 22 43 15.60 | |||
| Spectral type | DA | DA: | DAO.6 | DAO | ||||
| Effective temperature | [K] | 86680.0 (5379) | 233134.0 (25189) | |||||
| log(g) | [cgs] | 7.36 (0.2) | 7.82 (0.04) | |||||
| Mass | [M☉] | 0.57 (0.05) | 2.079 (0.1) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| log(C/H) | ||||||||
| log(N/H) | ||||||||
| log(O/H) | ||||||||
| log(Na/H) | ||||||||
| log(Mg/H) | ||||||||
| log(Al/H) | ||||||||
| log(Si/H) | ||||||||
| log(P/H) | ||||||||
| log(S/H) | ||||||||
| log(Sc/H) | ||||||||
| log(Ti/H) | ||||||||
| log(Cr/H) | ||||||||
| log(Mn/H) | ||||||||
| log(Fe/H) | ||||||||
| log(Ni/H) | ||||||||
| Parallax | [mas] | 2.57 (0.04) | 2.66 (0.04) | 2.57 | 2.57 (0.04) | 2.60 (0.4) | ||
| Distance | [pc] | 389.10 (6) | 376.30 (6) | 259.00 | 389.10 | 389.11 (6) | 384.62 (59) | |
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | 10.51975707 (0.03) | 10.49570977 (0.06) | 10.52 (0.03) | ||||
| Proper motion (declination) | [mas/yr] | 3.699174068 (0.04) | 3.682250944 (0.06) | 3.699 (0.04) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 13.75 (0.03) | |||||||
| V magnitude | 14.09 (0.01) | |||||||
| R magnitude | 14.25 (0.006) | |||||||
| I magnitude | 14.40 (0.01) | |||||||
| J magnitude | 11.79 (0.07) | |||||||
| H magnitude | ||||||||
| K magnitude | 10.61 (0.07) | |||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 14.04 (0.001) | 14.03 | 14.04 | 14.04 (0.003) | ||||
| BP magnitude | 13.84 (0.001) | 13.71 | ||||||
| RP magnitude | 14.38 (0.002) | 14.30 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.045 | |||||||
* 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.