SDSS J044441.23-052737.6

All names: Gaia DR2 3200459687377584000, SDSSJ044441.23-052737.7, SDSS J044441.23-052737.6, GALEX J044441.2-052737, Gaia DR3 3200459687377584000

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 04 44 41.23 04 44 41.23 (0.09)
Declination -05 27 37.70 -05 27 37.58 (0.06)
Spectral type sdB+MS 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] 0.55 (0.2) 0.38 (0.1)
Distance [pc] 1822.82 (512) 2598.08 (748)
Composition
Proper motion (right ascension) [mas/yr] 5.176 (0.3) 5.007 (0.1)
Proper motion (declination) [mas/yr] -4.352 (0.2) -4.478 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.52 (0.1)
H magnitude 15.84 (0.1)
K magnitude 15.43 (0.2)
u magnitude 17.75 (0.01) 17.75 (0.01)
g magnitude 17.71 (0.005) 17.71 (0.005)
r magnitude 17.94 (0.007) 17.94 (0.007)
i magnitude 18.05 (0.008) 18.05 (0.008)
z magnitude 18.11 (0.03) 18.11 (0.03)
G magnitude 17.82 (0.002) 17.79 (0.003)
BP magnitude 17.78 (0.009)
RP magnitude 17.77 (0.01)
Pan g magnitude 17.75 (0.005)
Pan r magnitude 17.96 (0.004)
Pan i magnitude 18.10 (0.008)
Pan z magnitude 18.21 (0.005)
Pan y magnitude 18.24 (0.02)
E(B-V) 0.033

* 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.