All names: Gaia DR2 2144494698657406464, Gaia DR3 2144494698657406464, 2MASS J18504579+5107384, WISE J185045.77+510738.3, O11J185046+510738, UCAC4 706-060577, TIC 48191737, WISEA J185045.76+510738.3
| 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.