TYC 2092-1286-1

All names: Gaia DR2 4577984720030433536, LAMOST J180933.32+223059.9, TIC 285194955, Gaia DR3 4577984720030433536, 2MASS J18093332+2230599, TYC 2092-1286-1, LAMOSTJ180933.32+223059.9

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 18 09 33.33 18 09 33.33 (0.01)
Declination 22 30 59.97 22 30 59.95 (0.02)
Spectral type sdB sdB
Effective temperature [K] 24727.0 (337)
log(g) [cgs] 5.25 (0.04)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.30 (0.05) 2.20 (0.03)
Distance [pc] 434.25 (9) 454.44 (6)
Composition
Proper motion (right ascension) [mas/yr] 26.08 (0.05) 26.112 (0.02)
Proper motion (declination) [mas/yr] 6.15 (0.08) 5.991 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.37 (0.3)
V magnitude 13.18 (0.2)
R magnitude
I magnitude
J magnitude 13.35 (0.03) 13.35 (0.03)
H magnitude 13.45 (0.04) 13.45 (0.04)
K magnitude 13.45 (0.04) 13.45 (0.04)
u magnitude 13.24 (0.003)
g magnitude 12.11 (0.001)
r magnitude 14.89 (0.01)
i magnitude 13.75 (0.003)
z magnitude 13.91 (0.004)
G magnitude 12.94 (0.0005) 12.92 (0.003)
BP magnitude 12.79 (0.004)
RP magnitude 13.10 (0.001)
Pan g magnitude 13.10
Pan r magnitude 13.37
Pan i magnitude 13.52 (0.02)
Pan z magnitude 13.69 (0.003)
Pan y magnitude 13.82 (0.002)
E(B-V) 0.071

* 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.