PG 1643+063

All names: UCAC4 482-061142, Gaia DR3 4441701112754039680, 2MASS J16461451+0623014, PG 1643+063, WISE J164614.50+062301.5, TIC 315718521, WISEA J164614.49+062301.3, GALEX J164614.5+062300, Gaia DR2 4441701112754039680, PG1643+063, UCAC2 33950517

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 16 46 14.56 16 46 14.51 (0.03)
Declination 06 23 02.06 06 23 01.30 (0.03)
Spectral type sdB sdBO
Effective temperature [K] 33170.0 (390)
log(g) [cgs] 5.84 (0.08)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.75 (0.06) 0.83 (0.04)
Distance [pc] 1336.90 (115) 1197.60 (61)
Composition
Proper motion (right ascension) [mas/yr] -10.093 (0.1) -10.364 (0.05)
Proper motion (declination) [mas/yr] -13.569 (0.1) -13.859 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.57 (0.01)
V magnitude 14.84
R magnitude 14.95 (0.1)
I magnitude
J magnitude 15.46 (0.06) 15.46 (0.06)
H magnitude 15.36 (0.1) 15.36 (0.1)
K magnitude 15.44 (0.2) 15.44 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.74 (0.0006) 14.73 (0.003)
BP magnitude 14.55 (0.01)
RP magnitude 14.98 (0.003)
Pan g magnitude 14.57 (0.002)
Pan r magnitude 14.98 (0.001)
Pan i magnitude 15.32 (0.002)
Pan z magnitude 15.58 (0.004)
Pan y magnitude 15.76 (0.003)
E(B-V) 0.073

* 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.