All names: Gaia DR2 276755288688704640, SDSS J041703.76+560631.4, UCAC4 731-033376, SDSS J041703.77+560631.3, TIC 445691185, 2MASS J04170376+5606314, GALEX J041703.7+560631, Gaia DR3 276755288688704640, SDSSJ041703.76+560631.4
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 04 17 03.78 | 04 17 03.77 (0.06) | ||
| Declination | 56 06 31.32 | 56 06 31.38 (0.04) | ||
| 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] | 0.39 (0.1) | 0.48 (0.08) | |
| Distance | [pc] | 2591.34 (702) | 2104.82 (364) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.74 (0.2) | -0.132 (0.1) | |
| Proper motion (declination) | [mas/yr] | 0.026 (0.1) | 0.735 (0.08) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.92 (0.3) | |||
| V magnitude | 13.41 (0.05) | |||
| R magnitude | 13.18 (0.09) | |||
| I magnitude | ||||
| J magnitude | 12.07 (0.03) | 12.07 (0.03) | ||
| H magnitude | 11.97 (0.03) | 11.97 (0.03) | ||
| K magnitude | 11.90 (0.02) | 11.90 (0.02) | ||
| u magnitude | 14.65 (0.004) | 14.65 (0.004) | ||
| g magnitude | 14.54 (0.004) | 14.36 (0.9) | ||
| r magnitude | 13.30 (0.003) | 13.45 (0.5) | ||
| i magnitude | 13.19 (0.003) | 13.83 (0.9) | ||
| z magnitude | 13.28 (0.004) | 13.28 (0.004) | ||
| G magnitude | 13.04 (0.0003) | 13.04 (0.003) | ||
| BP magnitude | 13.30 (0.001) | |||
| RP magnitude | 12.59 (0.0005) | |||
| Pan g magnitude | 13.22 | |||
| Pan r magnitude | 13.01 | |||
| Pan i magnitude | 12.92 | |||
| Pan z magnitude | 12.84 | |||
| Pan y magnitude | 12.84 (0.001) | |||
| E(B-V) | 0.609 | |||
* 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.