All names: V* MT Com, Gaia DR2 3958622291017334400, SDSS J125510.54+264226.4, NAME Watson X-1, WISEA J125510.51+264225.9, NSV 19553, OMHR 166428, OMHR J125510.76+264227.6, SDSS J125510.55+264226.5, USNO-A2.0 1125-06614300, WISE J125510.51+264226.3, Gaia EDR3 3958622291017334400, Gaia DR3 3958622291017334400, RE J1255+266
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 12 55 10.53 (0.2) | 12 55 10.56 (0.2) | |||
| Declination | 26 42 26.33 (0.2) | 26 42 26.60 (0.2) | |||
| 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] | 2.94 (0.3) | 2.94 (0.3) | ||
| Distance | [pc] | 339.65 (37) | 339.65 (37) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -32.24 (0.3) | -32.24 (0.3) | ||
| Proper motion (declination) | [mas/yr] | -16.778 (0.3) | -16.778 (0.3) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 19.27 (0.03) | ||||
| g magnitude | 19.12 (0.01) | ||||
| r magnitude | 19.19 (0.01) | ||||
| i magnitude | 19.34 (0.02) | ||||
| z magnitude | 19.44 (0.06) | ||||
| G magnitude | 19.21 (0.004) | 19.21 (0.004) | |||
| BP magnitude | 19.23 (0.03) | ||||
| RP magnitude | 19.07 (0.04) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.015 | ||||
* 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.