Ton S 104

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

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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.