Ton 181

All names: Gaia DR3 1258202152443751552, Gaia DR2 1258202152443751552, FB 142, BPS BS 16023-0061, 2MASS J14042993+2450195, GALEX J140429.9+245020, CSI+25-14020, GSC 02006-00140, TIC 28197853, PG 1402+251, Ton 181, PG1402+251, LAMOST J140430.01+245021.0, UBV M 43741, UBV 12452

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 14 04 29.98 14 04 29.93 (0.02)
Declination 24 50 20.06 24 50 19.48 (0.02)
Spectral type sd 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] 0.51 (0.04) 0.46 (0.02)
Distance [pc] 1945.90 (133) 2182.45 (115)
Composition
Proper motion (right ascension) [mas/yr] -10.658 (0.06) -10.566 (0.02)
Proper motion (declination) [mas/yr] -7.458 (0.06) -7.643 (0.02)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.85
V magnitude 14.69
R magnitude
I magnitude
J magnitude 14.24 (0.03) 14.24 (0.03)
H magnitude 14.16 (0.04) 14.16 (0.04)
K magnitude 14.03 (0.07) 14.03 (0.07)
u magnitude 14.83 (0.004)
g magnitude 14.67 (0.003)
r magnitude 14.75 (0.004)
i magnitude 14.83 (0.004)
z magnitude 14.93 (0.005)
G magnitude 14.68 (0.0006) 14.66 (0.003)
BP magnitude 14.71 (0.005)
RP magnitude 14.51 (0.001)
Pan g magnitude 14.72 (0.002)
Pan r magnitude 14.77 (0.001)
Pan i magnitude 14.85 (0.002)
Pan z magnitude 14.95 (0.003)
Pan y magnitude 14.99 (0.008)
E(B-V) 0.020

* 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.