UCAC4 067-027932

All names: GALEX J172012.3-763625, Gaia DR2 5801771089072182400, WISE J172012.46-763627.3, 2MASS J17201248-7636268, DENIS J172012.4-763627, Gaia DR3 5801771089072182400, TIC 311536402, UCAC4 067-027932, WISEA J172012.47-763627.5, GALEXJ17202-7636

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 17 20 12.30 17 20 12.47 (0.01)
Declination -76 36 26.00 -76 36 27.08 (0.02)
Spectral type sdB 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] 1.98 (0.03) 1.95 (0.02)
Distance [pc] 505.94 (8) 512.16 (5)
Composition
Proper motion (right ascension) [mas/yr] -9.199 (0.04) -9.076 (0.02)
Proper motion (declination) [mas/yr] -42.419 (0.05) -42.436 (0.02)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.54 (0.04)
V magnitude 13.57 (0.02)
R magnitude 13.82 (0.07)
I magnitude 13.77 (0.03)
J magnitude 13.80 (0.02) 13.80 (0.02)
H magnitude 14.00 (0.04) 14.00 (0.04)
K magnitude 14.07 (0.05) 14.07 (0.05)
u magnitude
g magnitude 13.47 (0.06)
r magnitude 13.72 (0.03)
i magnitude 13.95 (0.05)
z magnitude
G magnitude 13.56 (0.0004) 13.54 (0.003)
BP magnitude 13.44 (0.004)
RP magnitude 13.65 (0.001)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.061

* 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.