All names: TIC 157583862, Gaia DR2 2110808101924045056, Gaia DR3 2110808101924045056, SDSS J183642.46+413047.3, 2MASS J18364246+4130470, O11J183642+413046, GALEX J183642.4+413045, SDSS J183642.46+413047.1
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 18 36 42.47 | 18 36 42.47 (0.02) | ||
| Declination | 41 30 47.01 | 41 30 47.15 (0.03) | ||
| Spectral type | sd | sdB | ||
| 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] | 0.50 (0.04) | 0.54 (0.03) | |
| Distance | [pc] | 1980.59 (139) | 1845.02 (89) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -9.0 (0.07) | -8.75 (0.03) | |
| Proper motion (declination) | [mas/yr] | -3.228 (0.07) | -3.586 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.08 (0.04) | 15.08 (0.04) | ||
| H magnitude | 14.91 (0.05) | 14.91 (0.05) | ||
| K magnitude | 14.97 (0.1) | 14.97 (0.1) | ||
| u magnitude | 15.64 (0.005) | |||
| g magnitude | 15.56 (0.004) | |||
| r magnitude | 15.69 (0.005) | |||
| i magnitude | 15.76 (0.005) | |||
| z magnitude | 15.82 (0.007) | |||
| G magnitude | 15.57 (0.001) | 15.56 (0.003) | ||
| BP magnitude | 15.58 (0.005) | |||
| RP magnitude | 15.42 (0.005) | |||
| Pan g magnitude | 15.60 (0.002) | |||
| Pan r magnitude | 15.70 (0.004) | |||
| Pan i magnitude | 15.77 (0.004) | |||
| Pan z magnitude | 15.83 (0.004) | |||
| Pan y magnitude | 15.86 (0.006) | |||
| E(B-V) | 0.041 | |||
* 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.