Ton 208

All names: SDSS J143506.33+284750.86, Gaia EDR3 1281101268798929152, PG 1432+290, Ton 208, EGGR 487, LAMOST J143506.34+284750.9, CSI+29-14329, SDSS J143506.35+284750.9, Gaia DR3 1281101268798929152, PG1432+290, UBV 12741, Gaia DR2 1281101268798929152, UBV M 43124, PB 3687, SDSS J143506.33+284750.8, 2MASS J14350634+2847509, SDSS J143506.34+284750.9, TIC 157970137, GEN# +6.10070208

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Geier 2020 Gaia DR2 Stilism Kepler et al. 2015 Simbad
Right ascension 14 35 06.32 (0.02) 14 35 06.34 14 35 06.43 14 35 06.33 (0.04) 14 35 06.35 (0.02)
Declination 28 47 50.84 (0.03) 28 47 50.96 28 47 51.52 28 47 50.85 (0.05) 28 47 51.00 (0.03)
Spectral type sdOB sdO sdBO
Effective temperature [K] 36729.0 (915) 36416.0 (263)
log(g) [cgs] 5.94 (0.1) 5.70 (0.04)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.49 (0.05) 0.42 (0.06) 0.42 (0.06) 0.49 (0.05)
Distance [pc] 2048.94 (196) 2356.27 (360) 2356.43 (360) 2048.76 (196)
Composition
Proper motion (right ascension) [mas/yr] -21.96317645 (0.04) -22.637 (0.1) -22.63731061 (0.1) -21.963 (0.04)
Proper motion (declination) [mas/yr] -9.608679389 (0.04) -9.753 (0.1) -9.752697491 (0.1) -9.609 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.89
V magnitude 15.98
R magnitude
I magnitude
J magnitude 16.00 (0.07) 16.00 (0.07)
H magnitude 15.68 (0.1) 15.68 (0.1)
K magnitude 15.45 (0.2) 15.45 (0.2)
u magnitude 15.57 (0.005) 15.57 (0.005) 15.57 (0.02) 15.57 (0.005)
g magnitude 15.86 (0.003) 15.86 (0.003) 15.88 (0.03) 15.86 (0.003)
r magnitude 16.31 (0.004) 16.31 (0.004) 16.30 (0.02) 16.31 (0.004)
i magnitude 16.56 (0.004) 16.56 (0.004) 16.55 (0.02) 16.56 (0.004)
z magnitude 16.69 (0.01) 16.70 (0.01) 16.68 (0.02) 16.70 (0.01)
G magnitude 16.08 (0.002) 16.10 (0.0009) 16.10 16.08 (0.003)
BP magnitude 15.97 (0.002) 15.90 (0.005) 15.90
RP magnitude 16.26 (0.004) 16.25 (0.003) 16.25
Pan g magnitude 15.95 (0.002) 15.95 (0.002)
Pan r magnitude 16.33 (0.004) 16.33 (0.004)
Pan i magnitude 16.60 (0.003) 16.60 (0.003)
Pan z magnitude 16.77 (0.008) 16.77 (0.008)
Pan y magnitude 16.86 (0.008) 16.86 (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.