Ton 1281

All names: PG1040+234, [TFW97] J104339.36+230906.33, uvby98 610071281, PG 1040+234, Gaia DR2 723000539612586752, 2MASS J10433935+2309064, Ton 1281, TIC 95778094, Gaia DR3 723000539612586752

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 10 43 39.43 10 43 39.35 (0.06)
Declination 23 09 07.26 23 09 06.27 (0.05)
Spectral type sdB+G1V sdB+G1V
Effective temperature [K] 34800.0 (0)
log(g) [cgs] 5.26 (0)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.16 (0.07) 1.25 (0.07)
Distance [pc] 860.14 (51) 800.32 (47)
Composition
Proper motion (right ascension) [mas/yr] -23.643 (0.1) -23.421 (0.07)
Proper motion (declination) [mas/yr] -23.348 (0.1) -23.852 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.05
V magnitude 13.37
R magnitude
I magnitude
J magnitude 12.76 (0.02) 12.76 (0.02)
H magnitude 12.51 (0.02) 12.51 (0.02)
K magnitude 12.46 (0.02) 12.46 (0.02)
u magnitude 14.25 (0.007)
g magnitude 13.55 (0.001)
r magnitude 13.54 (0.002)
i magnitude 13.59 (0.001)
z magnitude 13.80 (0.006)
G magnitude 13.33 (0.0006) 13.33 (0.003)
BP magnitude 13.37 (0.005)
RP magnitude 13.13 (0.002)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude 19.04 (0)
Pan y magnitude
E(B-V) 0.019

* 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.