All names: UBV 7228, PN ARO 388, PN YM 29, Gaia DR2 3163546505053645056, GALEX J072902.7+131447, PN A55 16, TIC 247056967, NAME Medusa Nebula, GALEX J072902.7+131449, GALEX J072902.6+131449, PN G205.1+14.2, Gaia DR3 3163546505053645056, UBV M 44658, WD 0726+133, 2MASS J07290269+1314483, Gaia EDR3 3163546505053645056, CSI+13-07262, PK 205+14 1, GEN# +6.20056021, PN A66 21, GALEX J072902.8+131447, SH 2-274
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 07 29 02.71 (0.06) | 07 29 02.71 (0.08) | 07 29 02.71 (0.06) | 07 29 03.38 | ||
| Declination | 13 14 48.45 (0.05) | 13 14 48.46 (0.07) | 13 14 48.59 (0.05) | 13 14 27.96 | ||
| Spectral type | DOZ | PG1159 | ||||
| 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] | 1.69 (0.07) | 1.86 (0.08) | 1.69 (0.07) | 1.80 (0.5) | |
| Distance | [pc] | 592.06 (24) | 537.72 (23) | 592.07 (24) | 555.56 (154) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -2.929464173 (0.07) | -2.72 (0.1) | -2.929 (0.07) | ||
| Proper motion (declination) | [mas/yr] | -8.479762882 (0.06) | -8.601 (0.1) | -8.48 (0.06) | ||
| Variability | ||||||
| Magnetic | yes | |||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 15.67 | |||||
| V magnitude | 15.99 | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 16.58 (0.1) | |||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 15.93 (0.003) | 15.96 | 15.93 (0.003) | |||
| BP magnitude | 15.77 (0.003) | 15.66 | ||||
| RP magnitude | 16.27 (0.006) | 16.25 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.027 | |||||
* 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.