LB 1689

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

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.