SDSS J132035.83+324925.1

All names: Gaia DR3 1469666207293354880, SDSS J132035.83+324925.1, Gaia DR2 1469666207291595392, Gaia EDR3 1469666207293354880, GALEX J132035.8+324925, SDSS J132035.82+324925.21, SDSS J132035.82+324925.2, SDSS J132035.84+324925.0

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 13 20 35.81 (0.1) 13 20 35.84 13 20 35.81 (0.1) 13 20 35.81 13 20 35.85 (0.1)
Declination 32 49 25.29 (0.1) 32 49 25.13 32 49 25.28 (0.1) 32 49 25.29 32 49 25.06 (0.1)
Spectral type DC: DC: DC: DC DC DC
Effective temperature [K] 8599.0 8294.0 8446.0 (87) 7943.0 (236)
log(g) [cgs] 8.30 8.20 8.00 (0) 8.09 (0.05)
Mass [M] 0.784 0.705 0.631 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 1.4050 1.3680
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 8.06 (0.2) 8.07 (0.2) 8.06 8.06 (0.2)
Distance [pc] 124.13 (3) 123.85 (3) 124.13 124.13 (3)
Composition
Proper motion (right ascension) [mas/yr] -29.90838851 (0.1) -30.40193337 (0.3) -29.908 (0.1)
Proper motion (declination) [mas/yr] 14.76683119 (0.1) 15.20277142 (0.3) 14.767 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.00 (0.02) 19.00 (0.03) 19.00 (0.02)
g magnitude 18.71 (0.008) 18.75 (0.02) 18.71 (0.008)
r magnitude 18.64 (0.009) 18.64 (0.01) 18.64 (0.009)
i magnitude 18.65 (0.01) 18.66 (0.01) 18.66 (0.01)
z magnitude 18.81 (0.03) 18.82 (0.04) 18.81 (0.03)
G magnitude 18.60 (0.03) 18.62 18.60 18.60 (0.003)
BP magnitude 18.83 (0.03) 18.68
RP magnitude 18.54 (0.04) 18.37
Pan g magnitude 18.70 (0.008)
Pan r magnitude 18.64 (0.005)
Pan i magnitude 18.68 (0.005)
Pan z magnitude 18.85 (0.008)
Pan y magnitude 18.98 (0.03)
E(B-V) 0.006

* 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.