LB 1689

All names: UCAC2 11233504, LB 1689, Gaia DR2 4833364265716636288, GALEX J034509.5-473853, EC 03436-4748, HE 0343-4748, Gaia DR3 4833364265716636288, 2MASS J03450955-4738535, HE0343-4748, UCAC4 212-003536, TIC 101017159

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 03 45 09.52 03 45 09.55 (0.02)
Declination -47 38 53.99 -47 38 53.71 (0.02)
Spectral type sdB sdOB
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] 0.41 (0.03) 0.44 (0.02)
Distance [pc] 2430.72 (150) 2294.10 (119)
Composition
Proper motion (right ascension) [mas/yr] 12.747 (0.05) 12.612 (0.03)
Proper motion (declination) [mas/yr] 2.088 (0.05) 1.689 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.02 (0.04)
V magnitude 14.19 (0.1)
R magnitude 14.35 (0.06)
I magnitude
J magnitude 14.51 (0.03) 14.51 (0.03)
H magnitude 14.64 (0.05) 14.64 (0.05)
K magnitude 14.79 (0.1) 14.79 (0.1)
u magnitude
g magnitude 14.01 (0.04)
r magnitude 14.38 (0.04)
i magnitude 14.59 (0.05)
z magnitude
G magnitude 14.17 (0.0005) 14.16 (0.003)
BP magnitude 14.06 (0.006)
RP magnitude 14.30 (0.002)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.011

* 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.