GALEX J195304.2+494934

All names: 2MASS J19530426+4949342, Gaia DR3 2087279412086276224, TIC 28447030, Gaia DR2 2087279412086276224, Gaia EDR3 2087279412086276224, O11J195304+494934, GALEX J195304.2+494934

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 19 53 04.27 (0.03) 19 53 04.00 19 53 04.27 (0.03)
Declination 49 49 34.32 (0.02) 49 49 34.00 49 49 34.34 (0.02)
Spectral type 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] 0.77 (0.03) 0.78 (0.04) 0.77 (0.03)
Distance [pc] 1293.66 (45) 1279.92 (66) 1293.66 (45)
Composition
Proper motion (right ascension) [mas/yr] -1.379 (0.03) -1.43 (0.08) -1.379 (0.03)
Proper motion (declination) [mas/yr] -1.249 (0.03) -1.245 (0.07) -1.249 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.32 (0.1) 16.32 (0.1)
H magnitude 16.23 (0.2) 16.23 (0.2)
K magnitude 15.62
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.90 (0.003) 15.92 (0.001) 15.90 (0.003)
BP magnitude 15.85 (0.004) 15.82 (0.005)
RP magnitude 15.99 (0.005) 15.99 (0.004)
Pan g magnitude 15.83 (0.002)
Pan r magnitude 16.07 (0.004)
Pan i magnitude 16.32 (0.002)
Pan z magnitude 16.52 (0.004)
Pan y magnitude 16.64 (0.007)
E(B-V) 0.114

* 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.