All names: GALEX J011854.4+320852, Gaia DR3 310713739672619520, SDSS J011854.44+320854.2, Gaia DR2 310713739672619520, SDSS J011854.44+320854.27, SDSS J011854.43+320854.2, Gaia EDR3 310713739672619520
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 18 54.44 (1) | 01 18 54.44 | 01 18 54.44 (1) | 01 18 54.47 (1) | ||||
| Declination | 32 08 53.94 (1) | 32 08 54.27 | 32 08 53.95 (2) | 32 08 54.32 (1) | ||||
| Spectral type | DA | DA | ||||||
| Effective temperature | [K] | 7865.0 (128) | ||||||
| log(g) | [cgs] | 7.75 (0.2) | ||||||
| Mass | [M☉] | 0.413 (0.09) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 5.65 (2) | 5.65 (2) | |||||
| Distance | [pc] | 176.99 (54) | 176.99 (54) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -16.69909324 (2) | -16.699 (2) | |||||
| Proper motion (declination) | [mas/yr] | -24.11487127 (2) | -24.115 (2) | |||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 21.04 (0.1) | 21.10 (0.1) | 21.10 (0.1) | |||||
| g magnitude | 20.64 (0.03) | 20.71 (0.04) | 20.71 (0.04) | |||||
| r magnitude | 20.42 (0.04) | 20.54 (0.04) | 20.54 (0.04) | |||||
| i magnitude | 20.37 (0.05) | 20.49 (0.05) | 20.49 (0.05) | |||||
| z magnitude | 20.30 (0.2) | 20.40 (0.2) | 20.40 (0.2) | |||||
| G magnitude | 20.78 (0.2) | 20.82 | 20.78 (0.01) | |||||
| BP magnitude | 20.58 (0.2) | 20.41 | ||||||
| RP magnitude | 20.02 (0.1) | 20.28 | ||||||
| Pan g magnitude | 20.61 (0.04) | |||||||
| Pan r magnitude | 20.50 (0.03) | |||||||
| Pan i magnitude | 20.51 (0.02) | |||||||
| Pan z magnitude | 20.50 (0.04) | |||||||
| Pan y magnitude | 20.50 (0.1) | |||||||
| 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.