All names: EQ J1945.8+4739, TIC 272281119, Gaia DR2 2086593072011232128, Gaia EDR3 2086593076313035136, Gaia DR3 2086593072011232128, 2MASS J19454809+4739591, KIC 10482860
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 45 48.84 (0.07) | 19 45 48.06 (0.08) | ||
| Declination | 47 39 50.74 (0.07) | 47 39 58.88 (0.08) | ||
| Spectral type | DO | |||
| 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] | 0.25 (0.07) | 0.45 (0.09) | |
| Distance | [pc] | 3976.14 (1061) | 2244.67 (442) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -3.539 (0.08) | -3.735 (0.1) | |
| Proper motion (declination) | [mas/yr] | -3.754 (0.08) | -7.16 (0.1) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.82 (0.1) | |||
| H magnitude | 16.34 (0.2) | |||
| K magnitude | 16.39 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 17.42 (0.003) | 17.95 (0.003) | ||
| BP magnitude | 17.32 (0.009) | |||
| RP magnitude | 17.66 (0.02) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.059 | |||
* 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.