All names: WISE J203727.00-645315.9, Gaia DR3 6426406153071044992, UCAC4 126-182452, EC20330-6503, 2MASS J20372697-6453153, Gaia DR2 6426406153071044992, TIC 351555699, EC 20330-6503
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 37 26.94 | 20 37 26.97 (0.02) | ||
| Declination | -64 53 14.68 | -64 53 15.34 (0.03) | ||
| Spectral type | sdB | sdB/OB | ||
| 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] | 0.61 (0.05) | 0.59 (0.04) | |
| Distance | [pc] | 1630.26 (142) | 1681.52 (106) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.214 (0.05) | -4.265 (0.02) | |
| Proper motion (declination) | [mas/yr] | -2.29 (0.07) | -2.303 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.13 (0.05) | |||
| V magnitude | 15.24 (0.01) | |||
| R magnitude | 15.57 (0.09) | |||
| I magnitude | ||||
| J magnitude | 15.66 (0.06) | 15.66 (0.06) | ||
| H magnitude | 15.75 (0.1) | 15.75 (0.1) | ||
| K magnitude | 15.85 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.40 (0.0005) | 15.38 (0.003) | ||
| BP magnitude | 15.22 (0.004) | |||
| RP magnitude | 15.59 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.030 | |||
* 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.