Gaia DR2 986254272189606656

All names: GALEX J073935.7+564233, Gaia DR2 986254272189606656, LAMOSTJ073935.74+564233.2, Gaia DR3 986254272189606656, LAMOST J073935.74+564233.2, TIC 742806233

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 07 39 35.75 07 39 35.75 (0.04)
Declination 56 42 33.27 56 42 33.24 (0.04)
Spectral type sdB sdB/sdO
Effective temperature [K] 29242.0 (381)
log(g) [cgs] 5.77 (0.09)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.25 (0.08) 0.42 (0.06)
Distance [pc] 4025.76 (1253) 2399.81 (338)
Composition
Proper motion (right ascension) [mas/yr] -0.026 (0.1) -0.033 (0.05)
Proper motion (declination) [mas/yr] -2.473 (0.09) -2.72 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.68 (0.002) 16.65 (0.003)
BP magnitude 16.53 (0.008)
RP magnitude 16.81 (0.007)
Pan g magnitude 16.51 (0.005)
Pan r magnitude 16.83 (0.004)
Pan i magnitude 17.14 (0.004)
Pan z magnitude 17.38 (0.01)
Pan y magnitude 17.54 (0.01)
E(B-V) 0.049

* 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.