All names: SDSS J111842.89+165311.58, SDSS J111842.88+165311.5, Gaia DR3 3970821235091761152, SDSS J111842.89+165311.5, Gaia EDR3 3970821235091761152, Gaia DR2 3970821235091761152
| Parameter | Unit | Gaia EDR3 | SDSS DR10 | Gaia DR2 | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 11 18 42.85 (2) | 11 18 42.89 | 11 18 42.85 (8) | 11 18 42.85 (2) | ||
| Declination | 16 53 11.53 (1) | 16 53 11.57 | 16 53 11.53 (2) | 16 53 11.53 (1) | ||
| Spectral type | DA | DA | ||||
| Effective temperature | [K] | 8514.0 (152) | ||||
| log(g) | [cgs] | 7.92 (0.2) | ||||
| Mass | [M☉] | 0.5539999999999999 (0.1) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | |||||
| Distance | [pc] | |||||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | |||||
| Proper motion (declination) | [mas/yr] | |||||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 21.13 (0.1) | 21.16 (0.09) | 21.13 (0.1) | |||
| g magnitude | 20.64 (0.03) | 20.66 (0.03) | 20.64 (0.03) | |||
| r magnitude | 20.61 (0.04) | 20.65 (0.04) | 20.61 (0.04) | |||
| i magnitude | 20.60 (0.05) | 20.63 (0.05) | 20.60 (0.05) | |||
| z magnitude | 20.21 (0.1) | 20.21 (0.1) | 20.21 (0.1) | |||
| G magnitude | 20.57 (0.2) | 20.62 | 20.57 (0.01) | |||
| BP magnitude | 20.80 (0.2) | 20.61 | ||||
| RP magnitude | 20.34 (0.02) | 19.99 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | ||||||
* 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.