Ton S 131

All names: GALEX J235907.1-263839, Gaia DR2 2334637573773801216, Gaia DR3 2334637573773801216, SB 931, [PS72] 182, uvby98 610160610, MCT 2356-2655, MCT2356-2655, 2MASS J23590714-2638399, PHL 610, TIC 65263746, EC 23565-2655, uvby98 -002716503, Ton S 131

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 23 59 07.10 23 59 07.14 (0.04)
Declination -26 38 40.22 -26 38 39.93 (0.04)
Spectral type sdB+F/G sdBHe0+F/G
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] 1.01 (0.07) 0.91 (0.05)
Distance [pc] 986.87 (67) 1093.85 (59)
Composition
Proper motion (right ascension) [mas/yr] 15.537 (0.09) 15.931 (0.05)
Proper motion (declination) [mas/yr] -4.388 (0.09) -4.661 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 13.50
R magnitude
I magnitude
J magnitude 13.47 (0.03) 13.47 (0.03)
H magnitude 13.36 (0.03) 13.36 (0.03)
K magnitude 13.34 (0.04) 13.34 (0.04)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 13.40 (0.0004) 13.39 (0.003)
BP magnitude 13.26 (0.006)
RP magnitude 13.49 (0.002)
Pan g magnitude 13.38 (0)
Pan r magnitude 13.63 (0.001)
Pan i magnitude 13.84 (0.003)
Pan z magnitude 14.01 (0.006)
Pan y magnitude 14.11 (0.004)
E(B-V) 0.008

* 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.