GALEX J190942.4-534416

All names: 2MASS J19094237-5344143, WISEA J190942.37-534414.2, DENIS J190942.3-534414, GALEXJ19097-5344, TIC 158235404, Gaia DR3 6644387872330929792, WISE J190942.37-534414.1, UCAC2 8670828, UCAC4 182-208452, GALEX J190942.4-534416, Gaia DR2 6644387872330929792

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 19 09 42.41 19 09 42.37 (0.02)
Declination -53 44 16.28 -53 44 14.32 (0.02)
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] 1.05 (0.06) 1.02 (0.03)
Distance [pc] 950.66 (51) 980.78 (26)
Composition
Proper motion (right ascension) [mas/yr] -2.72 (0.08) -2.756 (0.02)
Proper motion (declination) [mas/yr] 5.27 (0.06) 5.136 (0.02)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude 11.82 (0.05)
I magnitude 11.37 (0.02)
J magnitude 11.16 (0.02) 11.16 (0.02)
H magnitude 11.03 (0.02) 11.03 (0.02)
K magnitude 11.02 (0.02) 11.02 (0.02)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 11.64 (0.0007) 11.63 (0.003)
BP magnitude 11.74 (0.003)
RP magnitude 11.43 (0.001)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.049

* Constant surface field

Special notes:

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Absorption lines

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ugriz

Photometric fit




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.