All names: UCAC4 329-203589, TIC 254290917, 2MASS J23353962-2414500, EC 23330-2431, Ton S 104, GALEX J233539.5-241449, UCAC2 22132906, Gaia DR3 2380974670259614464, PHL 564, EC23330-2431, Gaia DR2 2380974670259614464
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 23 35 39.55 | 23 35 39.62 (0.04) | ||
Declination | -24 14 49.85 | -24 14 50.10 (0.03) | ||
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] | 0.08 (0.1) | 0.18 (0.05) | |
Distance | [pc] | 12903.23 (19779) | 5449.59 (1348) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 2.494 (0.1) | 2.449 (0.04) | |
Proper motion (declination) | [mas/yr] | -4.564 (0.1) | -4.558 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.29 (0.07) | |||
V magnitude | 15.32 (0.07) | |||
R magnitude | 15.80 (0.2) | |||
I magnitude | ||||
J magnitude | 15.36 (0.06) | 15.36 (0.06) | ||
H magnitude | 15.25 (0.1) | 15.25 (0.1) | ||
K magnitude | 15.21 (0.2) | 15.21 (0.2) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 15.36 (0.001) | 15.34 (0.003) | ||
BP magnitude | 15.23 (0.01) | |||
RP magnitude | 15.42 (0.003) | |||
Pan g magnitude | 15.26 (0.005) | |||
Pan r magnitude | 15.54 (0.001) | |||
Pan i magnitude | 15.76 (0.003) | |||
Pan z magnitude | 15.94 (0.005) | |||
Pan y magnitude | 16.00 (0.007) | |||
E(B-V) | 0.015 |
* 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.