All names: PLX 1742, PK 189+19 1, Gaia DR2 885587110718845568, GALEX J072534.6+292926, IRAS 07224+2935, Gaia DR3 885587110718845568, LJHY 2, Gaia EDR3 885587110718845568, NGC 2372, WEB 7181, 189+19°1, TIC 446005482, PN VV 37, PN ARO 45, PLX 1742.00, PSCz P07224+2935, WD 0722+295, NGC 2371 2, 2MASS J07253468+2929263, UCAC2 42051185, GSC2 N222201063, GCRV 4925, PN G189.1+19.8, GALEX J072534.7+292925, NGC 2371, PN VV' 61, GSC 01922-01320, CSI+29-07225
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Research Corporation | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 07 25 34.69 (0.04) | 07 25 34.69 (0.06) | 07 25 34.69 (0.04) | 07 25 34.08 | |||
| Declination | 29 29 26.32 (0.03) | 29 29 26.32 (0.05) | 29 29 26.43 (0.03) | 29 29 25.08 | |||
| Spectral type | Oe | PG1159 | GWVIR .3 | ||||
| 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] | 0.58 (0.05) | 0.53 (0.07) | 0.58 (0.05) | |||
| Distance | [pc] | 1720.65 (136) | 1878.99 (232) | 1720.58 (136) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -1.256344965 (0.04) | -1.313 (0.1) | -1.256 (0.04) | |||
| Proper motion (declination) | [mas/yr] | -7.0778412 (0.04) | -7.069 (0.1) | -7.078 (0.04) | |||
| Variability | VAR | VAR | |||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 14.48 | ||||||
| V magnitude | 13.50 | 14.85 | |||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 15.21 (0.04) | ||||||
| H magnitude | 15.50 (0.1) | ||||||
| K magnitude | 15.49 (0.2) | ||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 14.78 (0.004) | 14.79 | 14.78 (0.003) | ||||
| BP magnitude | 14.62 (0.004) | 14.51 | |||||
| RP magnitude | 15.05 (0.005) | 15.03 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.043 | ||||||
* 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.