All names: EC 23118-5532, Gaia DR3 6499114417472798592, GALEX J231445.0-551539, GALEXJ23147-5515, 2MASS J23144521-5515420, TIC 262818577, Gaia DR2 6499114417472798592, UCAC4 174-209903
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 23 14 45.03 | 23 14 45.21 (0.02) | ||
Declination | -55 15 40.10 | -55 15 42.14 (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] | 0.99 (0.04) | 1.06 (0.03) | |
Distance | [pc] | 1011.02 (43) | 942.42 (27) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -2.9 (0.05) | -2.953 (0.02) | |
Proper motion (declination) | [mas/yr] | -6.817 (0.05) | -6.923 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 13.81 (0.02) | |||
V magnitude | 14.01 (0.01) | |||
R magnitude | 14.41 (0.1) | |||
I magnitude | ||||
J magnitude | 14.64 (0.04) | 14.64 (0.04) | ||
H magnitude | 14.79 (0.07) | 14.79 (0.07) | ||
K magnitude | 15.00 (0.1) | 15.00 (0.1) | ||
u magnitude | ||||
g magnitude | 13.86 (0.01) | |||
r magnitude | 14.26 (0.02) | |||
i magnitude | 14.58 (0.04) | |||
z magnitude | ||||
G magnitude | 14.04 (0.0005) | 14.02 (0.003) | ||
BP magnitude | 13.83 (0.005) | |||
RP magnitude | 14.29 (0.002) | |||
Pan g magnitude | ||||
Pan r magnitude | ||||
Pan i magnitude | ||||
Pan z magnitude | ||||
Pan y magnitude | ||||
E(B-V) | 0.012 |
* 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.