GALEX J180543.4+463309

All names: GALEXJ18057+4633, GALEX J180543.4+463309, TIC 198616079, Gaia DR3 2116457667543853184, UCAC4 683-063058, SDSS J180543.49+463309.9, Gaia EDR3 2116457667543853184, 2MASS J18054350+4633099, WISEA J180543.47+463309.9, Gaia DR2 2116457667543853184, WISE J180543.48+463309.9

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 18 05 43.48 (0.03) 18 05 43.43 18 05 43.50 (0.03)
Declination 46 33 09.97 (0.03) 46 33 09.08 46 33 10.02 (0.03)
Spectral type sdO+MS sdO+?
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] 0.99 (0.03) 0.99 (0.04) 0.99 (0.03)
Distance [pc] 1007.66 (31) 1008.47 (38) 1007.66 (31)
Composition
Proper motion (right ascension) [mas/yr] -14.841 (0.04) -14.798 (0.07) -14.841 (0.04)
Proper motion (declination) [mas/yr] -3.059 (0.04) -3.038 (0.09) -3.059 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.25 (0.1)
V magnitude 14.50 (0.1)
R magnitude 14.75 (0.2)
I magnitude
J magnitude 15.09 (0.05) 15.09 (0.05)
H magnitude 15.33 (0.1) 15.33 (0.1)
K magnitude 15.32 (0.2) 15.32 (0.2)
u magnitude 13.73 (0.004)
g magnitude 14.31 (0.2)
r magnitude 14.62 (0.004) 14.71 (0.1)
i magnitude 14.98 (0.004) 15.07 (0.1)
z magnitude 15.34 (0.006)
G magnitude 14.36 (0.003) 14.38 (0.0008) 14.36 (0.003)
BP magnitude 14.20 (0.003) 14.12 (0.009)
RP magnitude 14.69 (0.004) 14.68 (0.002)
Pan g magnitude 14.19 (0.003)
Pan r magnitude 14.65 (0.001)
Pan i magnitude 15.02 (0.002)
Pan z magnitude 15.31 (0.003)
Pan y magnitude 15.51 (0.005)
E(B-V) 0.031

* 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.