WD 1634+199

All names: GALEX J163611.6+195234, TIC 347596077, SDSS J163611.52+195234.7, Gaia DR3 4563711233731735808, WD 1634+199, SDSS J163611.61+195234.5, Gaia EDR3 4563711233731735808, 2MASS J16361162+1952345, Gaia DR2 4563711233731735808, SDSS J163611.61+195234.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 16 36 11.61 (0.3) 16 36 11.61 16 36 11.61 (0.3) 16 36 11.61 (0.3) 16 36 11.21
Declination 19 52 34.48 (0.3) 19 52 34.57 19 52 34.48 (0.3) 19 52 34.50 (0.3) 19 52 33.24
Spectral type D+K WD K
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] 0.25 (0.4) -0.96 (0.5) 0.25 (0.4)
Distance [pc] 3963.02 (6574) 3963.54 (6576)
Composition
Proper motion (right ascension) [mas/yr] -3.555515616 (0.3) -1.612546935 (0.6) -3.556 (0.3)
Proper motion (declination) [mas/yr] -1.525351879 (0.3) -2.128274288 (0.6) -1.525 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 15.86 (0.07)
H magnitude 15.16 (0.08)
K magnitude 14.95 (0.1)
u magnitude 18.83 (0.02) 18.82 (0.02) 18.85
g magnitude 18.46 (0.007) 18.46 (0.007) 18.54
r magnitude 17.67 (0.007) 17.66 (0.007) 17.71
i magnitude 17.26 (0.007) 17.26 (0.007) 17.29
z magnitude 16.99 (0.01) 17.00 (0.01) 17.01
G magnitude 17.82 (0.01) 17.79 17.82 (0.004)
BP magnitude 18.19 (0.01) 18.17
RP magnitude 16.91 (0.005) 16.92
Pan g magnitude 18.38 (0.007)
Pan r magnitude 17.69 (0.003)
Pan i magnitude 17.27 (0.003)
Pan z magnitude 17.09 (0.005)
Pan y magnitude 16.93 (0.01)
E(B-V) 0.048

* 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.