All names: Gaia EDR3 4538804757037287936, WISE J183630.14+265808.5, GALEXJ18365+2658, GALEX J183630.1+265808, WISEA J183630.14+265808.4, Gaia DR2 4538810460760060800, UCAC2 41223923, TIC 322527496, Gaia DR3 4538810460760060800, 2MASS J18363014+2658084, UCAC4 585-065242
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 18 36 22.81 (0.3) | 18 36 30.13 | 18 36 30.15 (0.02) | ||
| Declination | 26 57 48.24 (0.5) | 26 58 09.44 | 26 58 08.44 (0.02) | ||
| Spectral type | sdB | 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] | 2.09 (0.6) | 1.22 (0.04) | 1.26 (0.03) | |
| Distance | [pc] | 477.67 (140) | 819.00 (26) | 796.37 (17) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.846 (0.4) | 4.738 (0.05) | 4.658 (0.02) | |
| Proper motion (declination) | [mas/yr] | -4.758 (0.6) | -3.135 (0.06) | -3.221 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | 14.16 (0.09) | ||||
| I magnitude | |||||
| J magnitude | 14.32 (0.04) | 14.32 (0.04) | |||
| H magnitude | 14.35 (0.05) | 14.35 (0.05) | |||
| K magnitude | 14.43 (0.06) | 14.43 (0.06) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 20.29 (0.005) | 13.88 (0.0004) | 13.86 (0.003) | ||
| BP magnitude | 20.81 (0.08) | 13.74 (0.004) | |||
| RP magnitude | 19.68 (0.05) | 14.03 (0.001) | |||
| Pan g magnitude | 13.71 (0.004) | ||||
| Pan r magnitude | 14.08 (0.004) | ||||
| Pan i magnitude | 14.37 (0.002) | ||||
| Pan z magnitude | 14.61 (0.003) | ||||
| Pan y magnitude | 14.75 (0.003) | ||||
| E(B-V) | 0.083 | ||||
* 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.