All names: EC20300-5733, UCAC4 164-204291, EC 20300-5733, Gaia DR3 6468062765995578368, Gaia DR2 6468062765995578368, TIC 220372452, 2MASS J20340065-5723375
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 34 00.77 | 20 34 00.66 (0.02) | ||
| Declination | -57 23 36.64 | -57 23 37.54 (0.02) | ||
| Spectral type | sdOB | sdOB | ||
| 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] | 0.83 (0.05) | 0.79 (0.03) | |
| Distance | [pc] | 1205.69 (74) | 1270.00 (54) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 8.501 (0.08) | 8.485 (0.03) | |
| Proper motion (declination) | [mas/yr] | -42.111 (0.08) | -42.024 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.73 (0.03) | |||
| V magnitude | 13.95 (0.03) | |||
| R magnitude | 14.21 (0.08) | |||
| I magnitude | ||||
| J magnitude | 14.52 (0.03) | 14.52 (0.03) | ||
| H magnitude | 14.64 (0.07) | 14.64 (0.07) | ||
| K magnitude | 14.80 (0.1) | 14.80 (0.1) | ||
| u magnitude | ||||
| g magnitude | 13.72 (0.03) | |||
| r magnitude | ||||
| i magnitude | 14.40 (0.01) | |||
| z magnitude | ||||
| G magnitude | 13.94 (0.0006) | 13.92 (0.003) | ||
| BP magnitude | 13.73 (0.006) | |||
| RP magnitude | 14.18 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.026 | |||
* 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.