All names: [DWS97] Cas 4, Lan 159, NSV 15401, Gaia DR2 521721432775281536, Gaia EDR3 521721432776356224, Gaia DR3 521721432776356224
| Parameter | Unit | Gaia EDR3 | Stilism | Lepine et al. 2011 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 01 55 10.11 (0.04) | 01 55 10.11 | 01 55 10.45 (0.04) | |||
| Declination | 69 42 40.13 (0.05) | 69 42 40.13 | 69 42 40.27 (0.05) | |||
| Spectral type | DA5.5 | DA | DA5.5 | |||
| Effective temperature | [K] | 9050.0 (179) | 8449.0 (77) | |||
| log(g) | [cgs] | 8.32 (0.2) | 7.22 (0.02) | |||
| Mass | [M☉] | 0.8 (0.1) | 0.259 (0.007) | |||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | 1.2880 | ||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 8.34 (0.06) | 8.34 | 8.34 (0.06) | ||
| Distance | [pc] | 119.87 (0.9) | 68.00 | 119.87 | 119.87 (0.9) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -107.781 (0.05) | -107.781 (0.05) | |||
| Proper motion (declination) | [mas/yr] | -8.539 (0.06) | -8.539 (0.06) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 17.40 | |||||
| V magnitude | 17.26 | |||||
| R magnitude | 17.10 | |||||
| I magnitude | 17.30 | |||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 17.10 (0.003) | 17.10 | 17.10 (0.003) | |||
| BP magnitude | 17.21 (0.006) | |||||
| RP magnitude | 16.89 (0.009) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.003 | |||||
* 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.