Ton S 154

All names: GD 605, uvby98 610060605, GEN# +6.20021147, Gaia DR2 2359892221992225152, Ton S 154, BPS CS 29503-0051, CSI-24-00195, UBV M 43211, SGPA 20, 2MASS J00215872-2425210, EC 00194-2441, GALEX J002158.8-242519, GEN# +6.10080154, TIC 246848029, SB 147, MCT 0019-2441, MCT0019-2441, Gaia DR3 2359892221992225152

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 00 21 58.68 00 21 58.73 (0.04)
Declination -24 25 21.02 -24 25 20.85 (0.04)
Spectral type sdO sdO4He2
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] 0.46 (0.06) 0.43 (0.04)
Distance [pc] 2171.08 (275) 2300.97 (231)
Composition
Proper motion (right ascension) [mas/yr] 30.679 (0.1) 30.586 (0.05)
Proper motion (declination) [mas/yr] 4.065 (0.1) 3.974 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.10
V magnitude 14.48
R magnitude
I magnitude
J magnitude 15.17 (0.04) 15.17 (0.04)
H magnitude 15.58 (0.1) 15.58 (0.1)
K magnitude 15.31 (0.1) 15.31 (0.1)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.40 (0.0006) 14.39 (0.003)
BP magnitude 14.13 (0.008)
RP magnitude 14.74 (0.002)
Pan g magnitude 14.22 (0.003)
Pan r magnitude 14.70 (0.002)
Pan i magnitude 15.08 (0.002)
Pan z magnitude 15.38 (0.0008)
Pan y magnitude 15.56 (0.003)
E(B-V) 0.007

* 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.