All names: SDSS J115558.71+414107.2, GALEX J115558.7+414107, Gaia DR2 768644978133913728, SDSS J115558.71+414107.3, Gaia EDR3 768644978134469248, Gaia DR3 768644978134469248
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 55 58.72 (0.3) | 11 55 58.71 | 11 55 58.72 (1) | 11 55 58.72 (0.3) | 11 55 58.71 | ||||
| Declination | 41 41 07.21 (0.3) | 41 41 07.26 | 41 41 07.21 (0.8) | 41 41 07.25 (0.3) | 41 41 07.26 | ||||
| Spectral type | DA | DA | DA | ||||||
| Effective temperature | [K] | 18175.0 (662) | |||||||
| log(g) | [cgs] | 7.99 (0.2) | |||||||
| Mass | [M☉] | 0.613 (0.09) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.62 (0.4) | 4.01 (1) | 2.62 (0.4) | |||||
| Distance | [pc] | 382.27 (63) | 249.56 (75) | 382.28 (63) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 2.641388407 (0.5) | -0.006824954 (1) | 2.641 (0.5) | |||||
| Proper motion (declination) | [mas/yr] | -2.867259005 (0.4) | -1.732403428 (1) | -2.867 (0.4) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 19.88 (0.04) | 19.95 (0.05) | 19.95 (0.05) | ||||||
| g magnitude | 19.76 (0.01) | 19.78 (0.02) | 19.78 (0.02) | ||||||
| r magnitude | 20.14 (0.02) | 20.16 (0.03) | 20.16 (0.03) | ||||||
| i magnitude | 20.41 (0.04) | 20.43 (0.04) | 20.43 (0.04) | ||||||
| z magnitude | 20.92 (0.2) | 20.92 (0.2) | 20.92 (0.2) | ||||||
| G magnitude | 19.99 (0.05) | 20.01 | 19.99 (0.005) | ||||||
| BP magnitude | 19.99 (0.05) | 20.02 | |||||||
| RP magnitude | 20.03 (0.08) | 20.11 | |||||||
| Pan g magnitude | 19.80 (0.02) | ||||||||
| Pan r magnitude | 20.12 (0.02) | ||||||||
| Pan i magnitude | 20.41 (0.01) | ||||||||
| Pan z magnitude | 20.64 (0.08) | ||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.017 | ||||||||
* 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.