All names: 2MASS J11154459+4258225, Gaia EDR3 783921244796958208, LINEAR 970699, ALEXIS J1114+430, CSO 1153, Gaia DR3 783921244796958208, SDSS J111544.56+425822.4, WISE J111544.51+425822.5, WD 1112+432, WISEA J111544.51+425822.4, 1ES 1113+43.2, PM J11157+4258, RX J1115.6+4258, TIC 43215375, SV* SON 7744, V* AR UMa, Gaia DR2 783921244796958208
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 11 15 44.47 (0.04) | 11 15 44.56 | 11 15 44.47 (0.06) | 11 15 44.59 (0.04) | 11 15 44.11 | ||
| Declination | 42 58 22.42 (0.04) | 42 58 22.43 | 42 58 22.42 (0.09) | 42 58 22.43 (0.04) | 42 58 19.92 | ||
| Spectral type | O9I | WD dM | |||||
| 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] | 10.12 (0.05) | 9.87 (0.1) | 10.12 (0.05) | |||
| Distance | [pc] | 98.83 (0.5) | 101.31 (1) | 98.83 (0.5) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -81.33558005 (0.05) | -81.54460383 (0.1) | -81.336 (0.05) | |||
| Proper motion (declination) | [mas/yr] | -0.88134487 (0.05) | -0.674407787 (0.2) | -0.881 (0.05) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | 16.40 | ||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 14.15 (0.03) | ||||||
| H magnitude | 13.60 (0.03) | ||||||
| K magnitude | 13.27 (0.04) | ||||||
| u magnitude | 15.42 (0.004) | 15.42 (0.004) | 15.49 | ||||
| g magnitude | 15.51 (0.003) | 15.52 (0.003) | 15.58 | ||||
| r magnitude | 15.76 (0.004) | 15.76 (0.004) | 15.77 | ||||
| i magnitude | 15.58 (0.004) | 15.58 (0.004) | 15.59 | ||||
| z magnitude | 15.17 (0.005) | 15.17 (0.005) | 15.19 | ||||
| G magnitude | 16.24 (0.005) | 16.26 | 16.26 (0.004) | ||||
| BP magnitude | 16.39 (0.005) | 16.35 | |||||
| RP magnitude | 15.76 (0.02) | 15.78 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.006 | ||||||
* 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.