All names: SDSS J110853.98-002041.3, WISE J110853.99-002040.3, WISEA J110853.98-002040.4, SDSS J110853.98-002041.4, SDSS J110853.99-002041.7, Gaia DR2 3803978458766458368, TIC 62902845, SDSS J110853.99-002041.78, Gaia EDR3 3803978458766458368, USNO-B1.0 0896-00202526, 2MASS J11085398-0020407
| Parameter | Unit | Gaia EDR3 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|
| Right ascension | 11 08 53.99 (0.08) | 11 08 53.99 | 11 08 53.99 (0.1) | 11 08 53.99 (10) | |||
| Declination | -00 20 40.38 (0.06) | -00 20 41.41 | -00 20 40.39 (0.08) | -00 20 41.41 (10) | |||
| Spectral type | DA+M2 | DA+M2 | |||||
| Effective temperature | [K] | 24726.0 (230) | |||||
| log(g) | [cgs] | 7.97 (0.04) | |||||
| Mass | [M☉] | 0.617 (0.02) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 4.12 (0.08) | 4.11 (0.1) | ||||
| Distance | [pc] | 242.93 (5) | 243.33 (7) | ||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 7.232079637 (0.1) | 7.188110013 (0.2) | 12.0 (2) | |||
| Proper motion (declination) | [mas/yr] | 17.14558782 (0.07) | 17.01918403 (0.1) | 28.0 (11) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 17.30 | ||||||
| V magnitude | |||||||
| R magnitude | 16.70 | ||||||
| I magnitude | |||||||
| J magnitude | 14.56 (0.03) | ||||||
| H magnitude | 13.97 (0.03) | ||||||
| K magnitude | 13.78 (0.05) | ||||||
| u magnitude | 17.09 (0.009) | 16.97 (0.02) | 17.09 (0.009) | ||||
| g magnitude | 16.92 (0.005) | 16.98 (0.02) | 16.92 (0.005) | ||||
| r magnitude | 16.77 (0.004) | 17.22 (0.02) | 16.77 (0.004) | ||||
| i magnitude | 16.25 (0.005) | 16.50 (0.02) | 16.25 (0.005) | ||||
| z magnitude | 15.85 (0.007) | 15.92 (0.01) | 15.85 (0.007) | ||||
| G magnitude | 17.24 (0.02) | 17.23 | |||||
| BP magnitude | 17.05 (0.02) | 17.12 | |||||
| RP magnitude | 15.90 (0.008) | 15.92 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.022 | ||||||
* 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.