All names: FBS B 1100, LB 1088, WDJ180230.44+803951.14, GALEX J180230.2+803950, FBS 1806+807, 2MASS J18023048+8039510, TIC 288470165, Gaia EDR3 2294545291016560256, Gaia DR3 2294545291016560256, Gaia DR2 2294545291016560256, WD 1806+806
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 02 30.34 (0.02) | 18 02 30.35 (0.03) | 18 02 30.34 | 18 02 30.44 (0.02) | 18 02 30.35 | 18 02 29.66 | |||||
| Declination | 80 39 50.47 (0.03) | 80 39 50.49 (0.05) | 80 39 50.47 | 80 39 51.14 (0.03) | 80 39 50.49 | 80 39 50.04 | |||||
| Spectral type | DA | DA | DA: | ||||||||
| Effective temperature | [K] | 21615.0 | 27254.0 | 25742.0 (286) | |||||||
| log(g) | [cgs] | 7.90 | 8.10 | 8.11 (0.01) | |||||||
| Mass | [M☉] | 0.573 | 0.668 | 0.699 (0.009) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0370 | 0.0184 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 11.87 (0.03) | 11.74 (0.04) | 11.87 | 11.87 (0.03) | 11.74 (0.04) | |||||
| Distance | [pc] | 84.25 (0.2) | 85.17 (0.3) | 84.25 | 84.25 (0.2) | 85.17 (0.3) | |||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -15.16155176 (0.03) | -15.072 (0.07) | -15.162 (0.03) | -15.07212993 | ||||||
| Proper motion (declination) | [mas/yr] | -41.69655828 (0.04) | -41.873 (0.1) | -41.697 (0.04) | -41.87257591 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.64 (0.06) | ||||||||||
| H magnitude | 15.80 (0.2) | ||||||||||
| K magnitude | |||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 15.11 (0.001) | 15.12 | 15.11 | 15.11 (0.003) | 15.12 | ||||||
| BP magnitude | 14.99 (0.001) | 14.94 | 14.94 | ||||||||
| RP magnitude | 15.34 (0.003) | 15.35 | 15.35 | ||||||||
| Pan g magnitude | 14.98 (0.006) | ||||||||||
| Pan r magnitude | 15.34 (0.004) | ||||||||||
| Pan i magnitude | 15.66 (0.002) | ||||||||||
| Pan z magnitude | 15.94 (0.004) | ||||||||||
| Pan y magnitude | 16.13 (0.006) | ||||||||||
| E(B-V) | 0.007 | ||||||||||
* 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.