SDSS J184336.23+183541.2

All names: Gaia DR2 4512536977593172864, SDSSJ184336.23+183541.2, TIC 346754900, SDSS J184336.23+183541.2, Gaia DR3 4512536977593172864, GALEX J184336.2+183541

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 18 43 36.23 18 43 36.23 (0.02)
Declination 18 35 41.23 18 35 41.30 (0.02)
Spectral type sd sd
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] 0.56 (0.06) 0.59 (0.04)
Distance [pc] 1773.05 (178) 1698.66 (102)
Composition
Proper motion (right ascension) [mas/yr] -3.024 (0.08) -2.951 (0.02)
Proper motion (declination) [mas/yr] -16.92 (0.1) -16.757 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 15.59 (0.05)
H magnitude 15.60 (0.09)
K magnitude 15.77
u magnitude 15.49 (0.004) 15.49 (0.004)
g magnitude 15.47 (0.003) 15.47 (0.003)
r magnitude 15.64 (0.004) 15.64 (0.004)
i magnitude 15.81 (0.004) 15.81 (0.004)
z magnitude 15.99 (0.007) 15.99 (0.007)
G magnitude 15.55 (0.0007) 15.53 (0.003)
BP magnitude 15.50 (0.004)
RP magnitude 15.50 (0.003)
Pan g magnitude 15.55 (0.003)
Pan r magnitude 15.68 (0.003)
Pan i magnitude 15.86 (0.001)
Pan z magnitude 15.99 (0.004)
Pan y magnitude 16.10 (0.004)
E(B-V) 0.230

* 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.