All names: WISE J185045.77+510738.3, TIC 48191737, UCAC4 706-060577, Gaia DR3 2144494698657406464, O11J185046+510738, 2MASS J18504579+5107384, WISEA J185045.76+510738.3, Gaia DR2 2144494698657406464
| Parameter | Unit | Geier 2020 | Simbad |
|---|---|---|---|
| Right ascension | 18 50 46.00 | 18 50 45.79 (0.02) | |
| Declination | 51 07 38.00 | 51 07 38.37 (0.02) | |
| 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] | -0.02 (0.04) | 0.12 (0.02) |
| Distance | [pc] | 8183.31 (1400) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -2.887 (0.08) | -2.884 (0.03) |
| Proper motion (declination) | [mas/yr] | -3.112 (0.07) | -3.08 (0.02) |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 13.50 (0.06) | ||
| V magnitude | 13.62 (0.05) | ||
| R magnitude | 14.03 (0.1) | ||
| I magnitude | |||
| J magnitude | 14.01 (0.03) | 14.01 (0.03) | |
| H magnitude | 14.10 (0.04) | 14.10 (0.04) | |
| K magnitude | 14.17 (0.08) | 14.17 (0.08) | |
| u magnitude | |||
| g magnitude | 13.45 (0.02) | ||
| r magnitude | 13.78 (0.05) | ||
| i magnitude | 14.10 (0.05) | ||
| z magnitude | |||
| G magnitude | 13.70 (0.0006) | 13.68 (0.003) | |
| BP magnitude | 13.59 (0.005) | ||
| RP magnitude | 13.80 (0.002) | ||
| Pan g magnitude | |||
| Pan r magnitude | 18.02 (0) | ||
| 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.