All names: Gaia DR3 56427486493545984, Gaia EDR3 56427486493545984, SDSS J033355.50+175635.7, Gaia DR2 56427486493545984, ZTF J033355.50+175635.7, SDSSJ033355.50+175635.7, GALEX J033355.5+175636
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 03 33 55.51 (0.2) | 03 33 55.50 | 03 33 55.50 (0.2) | ||
| Declination | 17 56 35.72 (0.1) | 17 56 35.75 | 17 56 35.80 (0.1) | ||
| Spectral type | sd | sd+F/K | |||
| 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] | 1.09 (0.2) | 0.30 (0.3) | 1.09 (0.2) | |
| Distance | [pc] | 914.83 (186) | 3327.79 (3355) | 914.83 (186) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 10.555 (0.2) | 12.161 (0.7) | 10.555 (0.2) | |
| Proper motion (declination) | [mas/yr] | -4.828 (0.2) | -5.413 (0.4) | -4.828 (0.2) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.70 (0.1) | ||||
| H magnitude | 15.66 | ||||
| K magnitude | 16.91 | ||||
| u magnitude | 17.99 (0.01) | 17.99 (0.01) | |||
| g magnitude | 18.01 (0.006) | 18.01 (0.006) | |||
| r magnitude | 18.26 (0.007) | 18.26 (0.007) | |||
| i magnitude | 18.22 (0.009) | 18.22 (0.009) | |||
| z magnitude | 18.13 (0.02) | 18.13 (0.02) | |||
| G magnitude | 18.06 (0.006) | 18.08 (0.006) | 18.06 (0.006) | ||
| BP magnitude | 18.08 (0.02) | 18.07 (0.02) | |||
| RP magnitude | 17.83 (0.03) | 17.84 (0.03) | |||
| Pan g magnitude | 18.01 (0.01) | ||||
| Pan r magnitude | 18.30 (0.03) | ||||
| Pan i magnitude | 18.32 (0.02) | ||||
| Pan z magnitude | 17.99 (0.03) | ||||
| Pan y magnitude | 17.95 (0.03) | ||||
| E(B-V) | 0.150 | ||||
* 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.