SDSS J162752.74+164704.1

All names: GALEX J162752.7+164704, Gaia DR2 4466603191400839680, SDSS J162752.76+164704.0, SDSS J162752.76+164703.98, Gaia DR3 4466603191400839680, Gaia EDR3 4466603191400839680, SDSS J162752.76+164703.9, SDSS J162752.74+164704.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 16 27 52.77 (0.06) 16 27 52.75 16 27 52.77 (0.07) 16 27 52.77 16 27 52.73 (0.06)
Declination 16 47 03.79 (0.05) 16 47 04.16 16 47 03.81 (0.06) 16 47 03.79 16 47 04.24 (0.05)
Spectral type DA DA DA DA
Effective temperature [K] 19780.0 (88) 18866.0 (571)
log(g) [cgs] 8.05 (0.01) 7.89 (0.04)
Mass [M] 0.648 (0.005) 0.559 (0.03)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.41 (0.09) 4.44 (0.1) 4.41 4.41 (0.09)
Distance [pc] 227.01 (5) 225.28 (6) 227.01 227.01 (5)
Composition
Proper motion (right ascension) [mas/yr] 32.18237113 (0.08) 32.15081378 (0.1) 32.182 (0.08)
Proper motion (declination) [mas/yr] -27.91205711 (0.08) -27.99569121 (0.1) -27.912 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.51 (0.009) 17.51 (0.02) 17.51 (0.009)
g magnitude 17.38 (0.005) 17.41 (0.02) 17.38 (0.005)
r magnitude 17.73 (0.006) 17.75 (0.01) 17.73 (0.006)
i magnitude 18.00 (0.008) 18.00 (0.02) 18.00 (0.008)
z magnitude 18.26 (0.02) 18.27 (0.04) 18.26 (0.02)
G magnitude 17.56 (0.008) 17.58 17.56 17.56 (0.003)
BP magnitude 17.50 (0.008) 17.48
RP magnitude 17.71 (0.01) 17.72
Pan g magnitude 17.43 (0.004)
Pan r magnitude 17.73 (0.004)
Pan i magnitude 18.01 (0.006)
Pan z magnitude 18.26 (0.007)
Pan y magnitude 18.42 (0.02)
E(B-V) 0.045

* 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.