All names: SDSS J034652.87+805445.5, Gaia DR3 568173114690199040, Gaia DR2 568173114690199040, 2MASS J03465275+8054450, TIC 358031157, GALEX J034652.6+805444, SDSSJ034652.87+805445.5
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 46 52.88 | 03 46 52.97 (0.04) | ||
| Declination | 80 54 45.55 | 80 54 45.35 (0.04) | ||
| Spectral type | sd | sd+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] | 0.25 (0.05) | 0.28 (0.04) | |
| Distance | [pc] | 3949.45 (836) | 3623.19 (558) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.536 (0.09) | 0.445 (0.05) | |
| Proper motion (declination) | [mas/yr] | 2.36 (0.1) | 2.231 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.81 (0.1) | 16.81 (0.1) | ||
| H magnitude | 16.21 | |||
| K magnitude | 15.85 (0.2) | |||
| u magnitude | 16.54 (0.007) | 16.57 (0.03) | ||
| g magnitude | 16.36 (0.004) | 16.38 (0.02) | ||
| r magnitude | 16.65 (0.004) | 16.65 (0.01) | ||
| i magnitude | 16.86 (0.005) | 16.85 (0.04) | ||
| z magnitude | 17.10 (0.01) | 17.11 (0.02) | ||
| G magnitude | 16.52 (0.001) | 16.50 (0.003) | ||
| BP magnitude | 16.43 (0.009) | |||
| RP magnitude | 16.57 (0.005) | |||
| Pan g magnitude | 16.43 (0.004) | |||
| Pan r magnitude | 16.68 (0.002) | |||
| Pan i magnitude | 16.90 (0.005) | |||
| Pan z magnitude | 17.10 (0.004) | |||
| Pan y magnitude | 17.22 (0.02) | |||
| E(B-V) | 0.112 | |||
* 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.