HE 0444-4945

All names: HE0444-4945, HE 0444-4945, Gaia DR3 4784841099596111360, 2MASS J04461410-4940106, TIC 259539930, Gaia EDR3 4784841099596111360, Gaia DR2 4784841099596111360, GALEX J044614.1-494011

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 04 46 14.16 (0.03) 04 46 14.08 04 46 14.13 (0.03)
Declination -49 40 10.22 (0.03) -49 40 10.80 -49 40 10.66 (0.03)
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] 0.90 (0.03) 0.87 (0.04) 0.90 (0.03)
Distance [pc] 1110.37 (39) 1155.40 (52) 1110.37 (39)
Composition
Proper motion (right ascension) [mas/yr] 18.425 (0.03) 18.412 (0.07) 18.425 (0.03)
Proper motion (declination) [mas/yr] 27.566 (0.04) 27.7 (0.09) 27.566 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 15.11
R magnitude
I magnitude
J magnitude 15.70 (0.08) 15.70 (0.08)
H magnitude 15.91 (0.2) 15.91 (0.2)
K magnitude 15.92 (0.3) 15.92 (0.3)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.07 (0.003) 15.09 (0.0006) 15.07 (0.003)
BP magnitude 14.92 (0.003) 14.87 (0.005)
RP magnitude 15.36 (0.005) 15.35 (0.003)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.012

* 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.