All names: LAWDS NGC 6633 16, WD 1825+067, Gaia DR3 4477253202776118016, Gaia DR2 4477253202776118016, Gaia EDR3 4477253202776118016
| Parameter | Unit | Gaia EDR3 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|
| Right ascension | 18 28 04.69 (0.5) | 18 28 04.69 (0.5) | 18 28 04.94 | |
| Declination | 06 45 06.53 (0.5) | 06 45 06.69 (0.5) | 06 45 03.24 | |
| Spectral type | DB | DB3.2 | ||
| 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] | -1.04 (0.6) | ||
| Distance | [pc] | |||
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.315199475 (0.6) | -5.315 (0.6) | |
| Proper motion (declination) | [mas/yr] | -9.6191828 (0.6) | -9.619 (0.6) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 20.22 | |||
| V magnitude | 20.08 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 20.14 (0.07) | 20.14 (0.006) | ||
| BP magnitude | 20.15 (0.07) | |||
| RP magnitude | 20.45 (0.1) | |||
| 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.