All names: SDSSJ043542.04+562414.6, GALEX J043541.9+562413, SDSS J043542.04+562414.6, Gaia DR3 277422559107301376, SDSS J043542.07+562414.4, Gaia DR2 277422554810227712
| Parameter | Unit | Geier 2020 | Simbad |
|---|---|---|---|
| Right ascension | 04 35 42.05 | 04 35 42.07 (0.7) | |
| Declination | 56 24 14.65 | 56 24 14.33 (0.5) | |
| Spectral type | sd | sd | |
| 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] | ||
| Distance | [pc] | ||
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | ||
| Proper motion (declination) | [mas/yr] | ||
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 15.93 (0.09) | ||
| H magnitude | 15.64 (0.2) | ||
| K magnitude | 15.44 (0.1) | ||
| u magnitude | 18.03 (0.01) | 18.03 (0.01) | |
| g magnitude | 17.53 (0.005) | 17.53 (0.005) | |
| r magnitude | 17.11 (0.005) | 17.11 (0.005) | |
| i magnitude | 16.91 (0.006) | 16.91 (0.006) | |
| z magnitude | 16.76 (0.01) | 16.76 (0.01) | |
| G magnitude | 17.28 (0.006) | 17.38 (0.008) | |
| BP magnitude | 17.44 (0.008) | ||
| RP magnitude | 16.57 (0.005) | ||
| Pan g magnitude | 17.50 (0.004) | ||
| Pan r magnitude | 17.13 (0.005) | ||
| Pan i magnitude | 16.94 (0.006) | ||
| Pan z magnitude | 16.83 (0.007) | ||
| Pan y magnitude | 16.73 (0.01) | ||
| E(B-V) | |||
* 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.