All names: SDSS J161858.49+365647.3, GALEX J161858.5+365647, Gaia DR2 1330385262605786752, SDSS J161858.50+365647.3, Gaia DR3 1330385262607079168, Gaia EDR3 1330385262607079168
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 16 18 58.54 (0.2) | 16 18 58.48 (0.2) | |||
| Declination | 36 56 46.85 (0.3) | 36 56 47.49 (0.3) | |||
| Spectral type | DC | DC | |||
| 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] | 5.70 (0.3) | 5.70 (0.3) | ||
| Distance | [pc] | 175.34 (10) | 175.34 (10) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 40.516 (0.4) | 40.516 (0.4) | ||
| Proper motion (declination) | [mas/yr] | -40.073 (0.4) | -40.073 (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 | 20.64 (0.06) | ||||
| g magnitude | 20.09 (0.02) | ||||
| r magnitude | 19.96 (0.02) | ||||
| i magnitude | 19.85 (0.02) | ||||
| z magnitude | 19.93 (0.1) | ||||
| G magnitude | 19.92 (0.005) | 19.92 (0.005) | |||
| BP magnitude | 20.11 (0.07) | ||||
| RP magnitude | 19.51 (0.06) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.016 | ||||
* 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.