All names: 2MASS J11555421-0251267, WD 1153-025, SDSS J115554.24-025127.6, LAMOST J115554.20-025126.9, SDSS J115554.24-025127.5, Gaia DR2 3601818746190456576, TIC 96178509, UCAC4 436-055552, UCAC2 30859622, WISE J115554.19-025127.0, WISEA J115554.18-025127.0, GALEX J115554.2-025127, Gaia EDR3 3601818746190456576, SDSS J115554.20-025126.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 55 54.18 (0.04) | 11 55 54.20 | 11 55 54.18 (0.07) | 11 55 54.21 (56) | 11 55 53.69 | |||
| Declination | -02 51 27.30 (0.03) | -02 51 26.92 | -02 51 27.28 (0.03) | -02 51 26.93 (83) | -02 51 24.12 | |||
| Spectral type | DA+dM | DA d | ||||||
| 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] | 4.95 (0.05) | 4.99 (0.08) | |||||
| Distance | [pc] | 201.91 (2) | 200.56 (3) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -23.36850164 (0.06) | -23.86487724 (0.1) | -27.8 (3) | ||||
| Proper motion (declination) | [mas/yr] | -26.89553418 (0.03) | -27.14438143 (0.06) | -12.9 (3) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | 15.62 (0.3) | |||||||
| I magnitude | ||||||||
| J magnitude | 12.82 (0.02) | |||||||
| H magnitude | 12.21 (0.02) | |||||||
| K magnitude | 12.03 (0.02) | |||||||
| u magnitude | 17.75 (0.01) | 17.76 (0.01) | 17.84 | |||||
| g magnitude | 16.59 (0.003) | 16.57 (0.003) | 16.70 | |||||
| r magnitude | 15.44 (0.003) | 15.43 (0.003) | 15.51 | |||||
| i magnitude | 14.61 (0.004) | 14.60 (0.004) | 14.63 | |||||
| z magnitude | 14.11 (0.004) | 14.08 (0.004) | 14.11 | |||||
| G magnitude | 15.28 (0.01) | 15.29 | ||||||
| BP magnitude | 16.22 (0.01) | 16.25 | ||||||
| RP magnitude | 14.21 (0.002) | 14.22 | ||||||
| Pan g magnitude | 16.62 (0.008) | |||||||
| Pan r magnitude | 15.52 (0.003) | |||||||
| Pan i magnitude | 14.63 (0.003) | |||||||
| Pan z magnitude | 14.23 (0.002) | |||||||
| Pan y magnitude | 14.02 (0.003) | |||||||
| E(B-V) | 0.019 | |||||||
* 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.