All names: SDSS J142824.52+455730.0, SDSS J142824.52+455729.9, ** SKF 1751A, Gaia DR2 1494590967663516160, WDS J14284+4558A, WIRED J142824.52+455729.9, Gaia DR3 1494590967663516160
| Parameter | Unit | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|
| Right ascension | 14 28 24.53 | 14 28 24.53 (0.5) | 14 28 24.52 (0.4) | 14 28 24.52 | ||
| Declination | 45 57 29.90 | 45 57 29.87 (0.5) | 45 57 30.01 (0.4) | 45 57 29.96 | ||
| Spectral type | DA+M | DA+M | ||||
| Effective temperature | [K] | 16107.0 (247) | ||||
| log(g) | [cgs] | 7.62 (0.05) | ||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 2.45 (0.6) | 2.75 (0.5) | |||
| Distance | [pc] | 407.96 (105) | 363.23 (67) | |||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 7.815501052 (1) | 7.558 (0.4) | |||
| Proper motion (declination) | [mas/yr] | -8.879230281 (1) | -9.057 (0.5) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | WDMS | |||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 20.10 (0.03) | 20.09 (0.03) | 19.82 (0.03) | |||
| g magnitude | 19.44 (0.01) | 19.43 (0.01) | 19.42 (0.02) | |||
| r magnitude | 19.78 (0.02) | 19.77 (0.02) | 19.90 (0.04) | |||
| i magnitude | 20.12 (0.03) | 20.11 (0.03) | 20.36 (0.2) | |||
| z magnitude | 22.83 (0.4) | 22.83 (0.5) | 20.10 (0.3) | |||
| G magnitude | 19.57 | 19.54 (0.005) | ||||
| BP magnitude | 19.31 | |||||
| RP magnitude | 18.48 | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.021 | |||||
* 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.