All names: TIC 247056967, PK 205+14 1, Gaia EDR3 3163546505053645056, CSI+13-07262, 2MASS J07290269+1314483, GALEX J072902.7+131449, PN G205.1+14.2, NAME Medusa Nebula, UBV 7228, PN A55 16, WD 0726+133, GALEX J072902.8+131447, PN YM 29, UBV M 44658, Gaia DR2 3163546505053645056, SH 2-274, GALEX J072902.6+131449, PN ARO 388, GEN# +6.20056021, GALEX J072902.7+131447, Gaia DR3 3163546505053645056, PN A66 21
| 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.