All names: NAME Kronberger PN J1944.9+2245, Gaia DR3 1827853320031235712, DSH J1944.9+2245, Lan 021, Lan 21, PN G059.1-00.7, Gaia EDR3 1827853320031235712, Gaia DR2 1827853320031235712
| Parameter | Unit | Gaia EDR3 | Stilism | Lepine et al. 2011 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 19 44 59.13 (0.03) | 19 44 59.13 | 19 44 59.14 (0.03) | |||
| Declination | 22 45 47.45 (0.03) | 22 45 47.45 | 22 45 47.75 (0.03) | |||
| Spectral type | DA1.0 | DA | DA1 | |||
| Effective temperature | [K] | 55570.0 (1387) | 39297.0 (1458) | |||
| log(g) | [cgs] | 7.64 (0.09) | 7.27 (0.03) | |||
| Mass | [M☉] | 0.56 (0.03) | 0.401 (0.01) | |||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | 0.0020 | ||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 2.55 (0.05) | 2.55 | 2.55 (0.05) | ||
| Distance | [pc] | 392.20 (7) | 296.00 | 392.21 | 392.20 (7) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -9.044 (0.04) | -9.044 (0.04) | |||
| Proper motion (declination) | [mas/yr] | -18.907 (0.05) | -18.907 (0.05) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 15.40 | |||||
| V magnitude | 15.77 | |||||
| R magnitude | 16.20 | |||||
| I magnitude | 17.40 | |||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 16.17 (0.003) | 16.17 | 16.17 (0.003) | |||
| BP magnitude | 16.02 (0.003) | |||||
| RP magnitude | 16.46 (0.005) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.055 | |||||
* 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.