HE 0430-2457

All names: GALEX J043303.9-245118, EC 04309-2457, UCAC4 326-005149, 2MASS J04330383-2451196, TIC 178938225, Gaia DR3 4894595552871931008, HE 0430-2457, Gaia DR2 4894595552871931008, GALEXJ04330-2451

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 04 33 03.98 04 33 03.84 (0.05)
Declination -24 51 18.89 -24 51 19.74 (0.06)
Spectral type sdB+MS sdB(+F?)
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] 1.02 (0.06) 0.81 (0.08)
Distance [pc] 978.38 (55) 1228.65 (127)
Composition
Proper motion (right ascension) [mas/yr] 2.977 (0.09) 1.119 (0.07)
Proper motion (declination) [mas/yr] 0.838 (0.09) -0.379 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.10 (0.01)
V magnitude 14.12 (0.01)
R magnitude 14.28 (0.1)
I magnitude
J magnitude 13.62 (0.03) 13.62 (0.03)
H magnitude 13.27 (0.03) 13.27 (0.03)
K magnitude 13.20 (0.04) 13.20 (0.04)
u magnitude
g magnitude 14.04 (0.03)
r magnitude 14.21 (0.02)
i magnitude 14.34 (0.04)
z magnitude
G magnitude 14.17 (0.0007) 14.15 (0.003)
BP magnitude 14.03 (0.007)
RP magnitude 14.03 (0.007)
Pan g magnitude 14.11 (0.002)
Pan r magnitude 14.33 (0.007)
Pan i magnitude 14.45 (0.004)
Pan z magnitude 14.59 (0.004)
Pan y magnitude 14.56 (0.02)
E(B-V) 0.015

* 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.