All names: Gaia DR2 5738968320624520576, EC09177-1135, EC 09177-1135, Gaia DR3 5738968320624520576, TIC 60906629, 2MASS J09201150-1147572
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 09 20 11.50 | 09 20 11.51 (0.05) | ||
| Declination | -11 47 57.82 | -11 47 57.39 (0.05) | ||
| 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] | 0.41 (0.1) | 0.45 (0.07) | |
| Distance | [pc] | 2459.42 (699) | 2237.64 (325) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.651 (0.2) | 1.79 (0.07) | |
| Proper motion (declination) | [mas/yr] | -8.695 (0.2) | -9.117 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.40 | |||
| V magnitude | 16.60 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.39 (0.09) | 16.39 (0.09) | ||
| H magnitude | 16.53 (0.2) | 16.53 (0.2) | ||
| K magnitude | 17.03 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.58 (0.002) | 16.55 (0.003) | ||
| BP magnitude | 16.43 (0.008) | |||
| RP magnitude | 16.70 (0.01) | |||
| Pan g magnitude | 16.45 (0.005) | |||
| Pan r magnitude | 16.79 (0.002) | |||
| Pan i magnitude | 17.03 (0.004) | |||
| Pan z magnitude | 17.20 (0.002) | |||
| Pan y magnitude | 17.25 (0.007) | |||
| E(B-V) | 0.040 | |||
* 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.