All names: GB6 B1851+3257, B2.1 1851+32, MITG J185334+3301, PN G063.1+13.9, PK 063+13 1, Gaia DR3 2090486618786534784, PN VV' 466, WB 1851+3257, [FA87] 1851+329, PN ARO 9, M 57, NGC 6720, GCRV 11366, [D71] 1851+32, PN VV 214, MITG J185337+3301, NAME Ring Nebula, HD 175353, 87GB 185143.8+325740, [A86] 1851+329, PLX 4377, Gaia EDR3 2090486618786534784, CSI+32-18517, WN B1851.7+3257, BD+32 3246, BWE 1851+3257, Gaia DR2 2090486618786534784, PK 063+13, WD 1851+329, GSC2 N0223131306, NVSS J185335+330145, [LFO93] 1851+32, IRAS 18517+3257, PLX 4377.00, WEB 16043
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 18 53 35.10 (0.03) | 18 53 35.10 (0.04) | 18 53 35.10 (0.03) | 18 53 37.54 | ||
| Declination | 33 01 44.92 (0.04) | 33 01 44.92 (0.05) | 33 01 44.88 (0.04) | 33 01 54.48 | ||
| Spectral type | DA(O?) | DA | ||||
| 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] | 1.27 (0.04) | 1.27 (0.06) | 1.27 (0.04) | 1.40 (0.5) | |
| Distance | [pc] | 787.63 (27) | 786.95 (37) | 787.65 (27) | 714.29 (255) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 1.645020847 (0.04) | 1.493519969 (0.1) | 1.645 (0.04) | ||
| Proper motion (declination) | [mas/yr] | 2.47234137 (0.05) | 2.485872864 (0.1) | 2.472 (0.04) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 15.40 (0.02) | |||||
| V magnitude | 15.77 (0.02) | |||||
| R magnitude | 15.90 (0.003) | |||||
| I magnitude | 16.06 (0.01) | |||||
| J magnitude | 16.40 (0.2) | |||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 15.65 (0.01) | 15.61 | 15.65 (0.003) | |||
| BP magnitude | 15.59 (0.01) | 15.11 | ||||
| RP magnitude | 16.13 (0.01) | 15.68 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.048 | |||||
* 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.