Cl* Melotte 22 AK IV-859

All names: GALEX J040334.6+260359, UCAC4 581-010067, GALEXJ04035+2603, Cl* Melotte 22 AK IV-859, 2MASS J04033466+2603596, Gaia DR3 162510331145182976, Gaia DR2 162510331145182976, LAMOST J040334.66+260359.4, LAMOST J040334.66+260359.6

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 04 03 34.70 04 03 34.67 (0.03)
Declination 26 03 59.44 26 03 59.46 (0.02)
Spectral type sdB+MS sdB+F7V
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] 2.33 (0.06) 2.29 (0.04)
Distance [pc] 429.61 (12) 436.43 (7)
Composition
Proper motion (right ascension) [mas/yr] 3.475 (0.09) 2.668 (0.04)
Proper motion (declination) [mas/yr] -43.773 (0.05) -43.395 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.58 (0.02)
V magnitude 12.40 (0.04)
R magnitude 12.41 (0.06)
I magnitude
J magnitude 11.57 (0.02) 11.57 (0.02)
H magnitude 11.35 (0.02) 11.35 (0.02)
K magnitude 11.26 (0.02) 11.26 (0.02)
u magnitude
g magnitude 12.44 (0.01)
r magnitude 12.40 (0.04)
i magnitude 12.37 (0.03)
z magnitude
G magnitude 12.29 (0.0004) 12.27 (0.003)
BP magnitude 12.37 (0.003)
RP magnitude 12.02 (0.002)
Pan g magnitude 12.48 (0.001)
Pan r magnitude 12.39 (0.1)
Pan i magnitude 12.54 (0.01)
Pan z magnitude 13.23 (0.1)
Pan y magnitude 12.40 (0.004)
E(B-V) 0.194

* 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.