All names: Gaia DR2 4606863461647536256, FBS B 609, 2MASS J18122208+3725311, WD 1810+374, FBS 1810+374, Gaia EDR3 4606863461647536256, Gaia DR3 4606863461647536256, GALEX J181222.0+372531, TIC 76084196
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 18 12 22.08 (0.02) | 18 12 22.08 (0.03) | 18 12 22.08 (0.02) | 18 12 21.74 | ||
| Declination | 37 25 31.10 (0.02) | 37 25 31.10 (0.03) | 37 25 31.12 (0.02) | 37 25 26.40 | ||
| Spectral type | DA | DA | ||||
| Effective temperature | [K] | |||||
| log(g) | [cgs] | |||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 0.18 (0.02) | 0.11 (0.03) | 0.18 (0.02) | ||
| Distance | [pc] | 5419.09 (606) | 8960.57 (2449) | 5420.05 (605) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -0.873676968 (0.02) | -0.916 (0.06) | -0.874 (0.02) | ||
| Proper motion (declination) | [mas/yr] | -1.408146981 (0.02) | -1.324 (0.06) | -1.408 (0.02) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 14.50 | |||||
| V magnitude | 15.10 | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 15.30 (0.04) | |||||
| H magnitude | 15.36 (0.08) | |||||
| K magnitude | 15.45 (0.2) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 15.11 (0.001) | 15.13 | 15.11 (0.003) | |||
| BP magnitude | 15.07 (0.001) | 15.05 | ||||
| RP magnitude | 15.18 (0.002) | 15.18 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.037 | |||||
* 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.