EC 12001-1748

All names: TIC 38624356, UCAC2 24839992, Gaia DR3 3567099227002641536, 2MASS J12024203-1804588, EC12001-1748, UCAC4 360-063859, Gaia DR2 3567099227002641536, Gaia EDR3 3567101765328352640, EC 12001-1748

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 12 02 34.07 (0.4) 12 02 42.19 12 02 42.04 (0.05)
Declination -18 05 21.29 (0.3) -18 05 00.18 -18 04 59.11 (0.04)
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] 1.72 (0.5) 0.47 (0.09) 0.39 (0.05)
Distance [pc] 579.95 (170) 2122.24 (410) 2545.82 (348)
Composition
Proper motion (right ascension) [mas/yr] -12.935 (0.5) -6.996 (0.2) -6.879 (0.06)
Proper motion (declination) [mas/yr] -0.264 (0.4) -2.907 (0.1) -2.031 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.92 (0.03)
V magnitude 15.88 (0.04)
R magnitude 15.98 (0.3)
I magnitude
J magnitude 15.71 (0.06) 15.71 (0.06)
H magnitude 15.54 (0.1) 15.54 (0.1)
K magnitude 15.30 (0.2) 15.30 (0.2)
u magnitude
g magnitude 15.84 (0.01)
r magnitude 16.11 (0.04)
i magnitude 16.51 (0.01)
z magnitude
G magnitude 19.88 (0.005) 15.87 (0.001) 15.85 (0.003)
BP magnitude 20.22 (0.09) 15.82 (0.005)
RP magnitude 19.38 (0.05) 15.84 (0.003)
Pan g magnitude 15.83 (0.005)
Pan r magnitude 16.01 (0.002)
Pan i magnitude 16.18 (0.002)
Pan z magnitude 16.30 (0.003)
Pan y magnitude 16.35 (0.004)
E(B-V) 0.041

* 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.