All names: TIC 321921716, UCAC4 624-058197, UCAC2 43983014, Gaia DR2 2095370374556456192, O11J182637+343726, GALEX J182637.0+343726, Gaia EDR3 2095370374556456192, LAMOST J182637.05+343726.2, 2MASS J18263706+3437264, PSO J276.6544+34.6239, Gaia DR3 2095370374556456192
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 18 26 37.06 (0.02) | 18 26 37.00 | 18 26 37.06 (0.02) | ||
| Declination | 34 37 26.18 (0.03) | 34 37 26.00 | 34 37 26.44 (0.03) | ||
| Spectral type | sd | sdOBHe | |||
| 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] | 0.82 (0.03) | 0.82 (0.05) | 0.82 (0.03) | |
| Distance | [pc] | 1218.77 (48) | 1215.36 (69) | 1218.77 (48) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -1.285 (0.03) | -1.168 (0.08) | -1.285 (0.03) | |
| Proper motion (declination) | [mas/yr] | -16.621 (0.04) | -16.87 (0.1) | -16.621 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | 15.89 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 16.40 (0.1) | 16.40 (0.1) | |||
| H magnitude | 16.46 | ||||
| K magnitude | 17.34 | ||||
| u magnitude | |||||
| g magnitude | 15.49 (0.003) | ||||
| r magnitude | 15.91 (0.005) | ||||
| i magnitude | 16.27 (0.001) | ||||
| z magnitude | 16.54 (0.003) | ||||
| G magnitude | 15.65 (0.003) | 15.67 (0.0009) | 15.65 (0.003) | ||
| BP magnitude | 15.52 (0.004) | 15.46 (0.007) | |||
| RP magnitude | 15.92 (0.005) | 15.92 (0.004) | |||
| Pan g magnitude | 15.49 (0.003) | ||||
| Pan r magnitude | 15.91 (0.005) | ||||
| Pan i magnitude | 16.27 (0.001) | ||||
| Pan z magnitude | 16.54 (0.003) | ||||
| Pan y magnitude | 16.70 (0.009) | ||||
| E(B-V) | 0.050 | ||||
* 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.