GALEX J181141.8+241903

All names: Gaia DR3 4578451011737926400, SDSS J181141.87+241902.6, GALEX J181141.8+241903, SDSS J181141.86+241902.7, Gaia DR2 4578451011737926400, SDSSJ181141.86+241902.7

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 18 11 41.86 18 11 41.86 (0.08)
Declination 24 19 02.70 24 19 02.73 (0.1)
Spectral type sdB sdB
Effective temperature [K] 29676.0 (1145)
log(g) [cgs] 5.50 (0.2)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.15 (0.2) 0.03 (0.1)
Distance [pc] 6618.13 (10521) 37313.43 (206059)
Composition
Proper motion (right ascension) [mas/yr] -1.757 (0.2) -1.523 (0.1)
Proper motion (declination) [mas/yr] -7.727 (0.4) -7.312 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.50 (0.02) 18.50 (0.02)
g magnitude 18.50 (0.007) 18.50 (0.007)
r magnitude 18.83 (0.01) 18.83 (0.01)
i magnitude 19.06 (0.02) 19.06 (0.02)
z magnitude 19.24 (0.06) 19.24 (0.05)
G magnitude 18.70 (0.002) 18.67 (0.003)
BP magnitude 18.57 (0.02)
RP magnitude 18.71 (0.03)
Pan g magnitude 18.58 (0.008)
Pan r magnitude 18.86 (0.009)
Pan i magnitude 19.09 (0.006)
Pan z magnitude 19.25 (0.01)
Pan y magnitude 19.37 (0.07)
E(B-V) 0.089

* 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.