SDSS J165927.90+464739.4

All names: SDSS J165927.90+464739.4, Gaia EDR3 1359908348107748096, Gaia DR2 1359908348107748096, Gaia DR3 1359908348107748096, SDSS J165927.90+464739.47

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism Kepler et al. 2016 Simbad
Right ascension 16 59 27.89 (0.2) 16 59 27.90 16 59 27.90 (0.2) 16 59 27.91 (0.2)
Declination 46 47 39.29 (0.2) 46 47 39.29 46 47 39.29 (0.2) 46 47 39.26 (0.2)
Spectral type sdA sdA
Effective temperature [K] 7067.0 (36)
log(g) [cgs] 5.59 (0.1)
Mass [M] 0.1451 (0.0003)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.08 (0.2) 0.21 (0.2) 0.08 (0.2)
Distance [pc] 13020.70 (30527) 4719.04 (5455) 13020.83 (30535)
Composition
Proper motion (right ascension) [mas/yr] -6.91975907 (0.2) -7.259277606 (0.4) -6.92 (0.2)
Proper motion (declination) [mas/yr] 1.972359244 (0.2) 1.666611738 (0.5) 1.972 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.63 (0.06) 20.58 (0.07) 20.58 (0.07)
g magnitude 19.40 (0.01) 19.42 (0.01) 19.42 (0.01)
r magnitude 19.16 (0.01) 19.18 (0.02) 19.18 (0.02)
i magnitude 19.07 (0.01) 19.08 (0.02) 19.08 (0.02)
z magnitude 19.59 (0.07) 19.52 (0.1) 19.52 (0.1)
G magnitude 19.15 (0.04) 19.18 19.15 (0.004)
BP magnitude 19.40 (0.04) 19.41
RP magnitude 18.81 (0.02) 18.74
Pan g magnitude 19.38 (0.01)
Pan r magnitude 19.18 (0.01)
Pan i magnitude 19.07 (0.008)
Pan z magnitude 19.05 (0.02)
Pan y magnitude 19.04 (0.05)
E(B-V) 0.025

* 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.