All names: EC 23205-1832, WISE J232308.10-181545.2, Gaia DR3 2393463125191108608, 2MASS J23230811-1815452, EC23205-1832, Gaia DR2 2393463125191108608, UCAC4 359-206314, TIC 9102069, GALEX J232308.1-181545
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 23 23 08.16 | 23 23 08.11 (0.03) | ||
Declination | -18 15 45.47 | -18 15 45.38 (0.02) | ||
Spectral type | sdB+F | sdB+F | ||
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] | 0.38 (0.04) | 0.40 (0.03) | |
Distance | [pc] | 2618.49 (274) | 2516.36 (192) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 1.3 (0.07) | 1.296 (0.03) | |
Proper motion (declination) | [mas/yr] | -6.291 (0.06) | -6.357 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.35 (0.01) | |||
V magnitude | 15.13 (0.01) | |||
R magnitude | 15.24 (0.2) | |||
I magnitude | ||||
J magnitude | 14.44 (0.03) | 14.44 (0.03) | ||
H magnitude | 14.19 (0.04) | 14.19 (0.04) | ||
K magnitude | 14.12 (0.05) | 14.12 (0.05) | ||
u magnitude | ||||
g magnitude | 15.21 (0.04) | |||
r magnitude | 15.09 (0.05) | |||
i magnitude | 15.07 (0.1) | |||
z magnitude | ||||
G magnitude | 15.04 (0.0005) | 15.03 (0.003) | ||
BP magnitude | 15.17 (0.007) | |||
RP magnitude | 14.77 (0.002) | |||
Pan g magnitude | 15.17 (0.005) | |||
Pan r magnitude | 15.11 (0.002) | |||
Pan i magnitude | 15.10 (0.004) | |||
Pan z magnitude | 15.16 (0.004) | |||
Pan y magnitude | 15.17 (0.005) | |||
E(B-V) | 0.016 |
* 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.