All names: WISE J195342.14+495943.8, O11J195342+495945, 2MASS J19534212+4959441, GALEX J195342.0+495944, Gaia EDR3 2087287001288074240, GALEX J195342.1+495944, Gaia DR3 2087288139459919104, WISEA J195342.17+495943.6, TIC 267986687, UCAC4 700-072008, Gaia DR2 2087288139459919104
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 53 45.28 (0.2) | 19 53 42.00 | 19 53 42.15 (0.03) | ||
| Declination | 49 58 37.45 (0.2) | 49 59 45.00 | 49 59 44.12 (0.03) | ||
| Spectral type | sd | ||||
| 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] | 1.77 (0.2) | 0.41 (0.04) | 0.41 (0.03) | |
| Distance | [pc] | 565.04 (68) | 2452.18 (246) | 2444.39 (181) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -7.145 (0.2) | -0.748 (0.08) | -0.694 (0.04) | |
| Proper motion (declination) | [mas/yr] | -1.254 (0.3) | -5.039 (0.09) | -4.889 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.85 (0.03) | ||||
| V magnitude | 16.27 (0.05) | ||||
| R magnitude | 16.10 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 16.47 (0.1) | 16.47 (0.1) | |||
| H magnitude | 16.27 (0.2) | 16.27 (0.2) | |||
| K magnitude | 16.47 | ||||
| u magnitude | |||||
| g magnitude | 15.85 (0.01) | ||||
| r magnitude | 16.22 (0.01) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 19.56 (0.004) | 16.10 (0.001) | 16.07 (0.003) | ||
| BP magnitude | 19.60 (0.04) | 15.93 (0.008) | |||
| RP magnitude | 19.82 (0.07) | 16.25 (0.005) | |||
| Pan g magnitude | |||||
| Pan r magnitude | 20.99 (0.1) | ||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.118 | ||||
* 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.