All names: [DWS97] UMa 8, AAVSO 1017+44, Gaia DR2 806057025204204032, ZTF18aaaujae, NSV 4838, CRTS J102320.3+440510, Gaia EDR3 806057025204204032, Gaia DR3 806057025204204032, PB 195, SDSS J102320.27+440509.8
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 10 23 20.27 (0.09) | 10 23 20.28 (0.09) | |||
| Declination | 44 05 09.72 (0.1) | 44 05 09.84 (0.1) | |||
| Spectral type | CV | ||||
| 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] | 1.56 (0.1) | 1.56 (0.1) | ||
| Distance | [pc] | 639.35 (61) | 639.35 (61) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.498 (0.1) | -3.498 (0.1) | ||
| Proper motion (declination) | [mas/yr] | -7.862 (0.2) | -7.862 (0.2) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 17.50 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 18.53 (0.01) | ||||
| g magnitude | 18.84 (0.009) | ||||
| r magnitude | 18.69 (0.009) | ||||
| i magnitude | 18.58 (0.01) | ||||
| z magnitude | 18.51 (0.03) | ||||
| G magnitude | 18.41 (0.02) | 18.41 (0.02) | |||
| BP magnitude | 18.51 (0.06) | ||||
| RP magnitude | 18.03 (0.05) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.018 | ||||
* 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.