All names: 2MASS J12583443+2822466, SDSS J125834.42+282246.5, UCAC4 592-049538, [BCF91] 221, Gaia DR2 1463835561553990400, GALEX J125834.4+282246, Gaia EDR3 1463835561553990400, USNO-B1.0 1183-00219653, TIC 359123310, WD 1256+286, KUV 12562+2839, Gaia DR3 1463835561553990400
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 12 58 34.43 (0.04) | 12 58 34.43 (0.06) | 12 58 34.43 (0.04) | 12 58 33.77 | ||
| Declination | 28 22 46.41 (0.05) | 28 22 46.42 (0.04) | 28 22 46.65 (0.05) | 28 22 43.32 | ||
| Spectral type | sdB | DA? | ||||
| 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] | 0.17 (0.07) | 0.18 (0.09) | 0.17 (0.07) | ||
| Distance | [pc] | 5938.58 (2368) | 5518.76 (2653) | 5938.24 (2366) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -3.584463663 (0.05) | -3.537 (0.1) | -3.584 (0.05) | ||
| Proper motion (declination) | [mas/yr] | -14.62066812 (0.08) | -14.621 (0.08) | -14.621 (0.08) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 16.70 | |||||
| V magnitude | 16.80 | |||||
| R magnitude | 14.79 | |||||
| I magnitude | ||||||
| J magnitude | 15.81 (0.07) | |||||
| H magnitude | 15.48 (0.1) | |||||
| K magnitude | 15.82 (0.2) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 16.67 (0.005) | 16.68 | 16.67 (0.003) | |||
| BP magnitude | 16.90 (0.005) | 16.90 | ||||
| RP magnitude | 16.30 (0.003) | 16.30 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.013 | |||||
* 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.