SDSS J203153.90+140602.7

All names: SDSS J203153.90+140602.7, Gaia EDR3 1804368400181697664, Gaia DR2 1804368400181697664, Gaia DR3 1804368400181697664

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 Simbad Kleinman et al. 2013
Right ascension 20 31 53.89 (0.3) 20 31 53.90 20 31 53.90 (0.3) 20 31 53.90
Declination 14 06 02.48 (0.2) 14 06 02.73 14 06 02.71 (0.2) 14 06 02.67
Spectral type DA+M DA+M DA+M
Effective temperature [K] 60333.0 (2942) 64865.0 (2421)
log(g) [cgs] 7.40 (0.2) 7.22 (0.1)
Mass [M] 0.48 (0.05)
log(Luminosity) [L] 0.80 (0.1)
Cooling age [Gyr] 0.0001
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] -0.96 (0.4)
Distance [pc]
Composition H
Proper motion (right ascension) [mas/yr] -3.764884598 (0.4) -3.765 (0.4)
Proper motion (declination) [mas/yr] -14.02454923 (0.4) -14.025 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.74 (0.02) 18.72 (0.02) 18.72 (0.02)
g magnitude 19.12 (0.01) 19.16 (0.01) 19.16 (0.01)
r magnitude 19.50 (0.02) 19.52 (0.01) 19.52 (0.01)
i magnitude 19.58 (0.02) 19.62 (0.02) 19.62 (0.02)
z magnitude 19.50 (0.09) 19.29 (0.07) 19.29 (0.07)
G magnitude 19.45 (0.02) 19.45 (0.005)
BP magnitude 19.21 (0.02)
RP magnitude 19.15 (0.05)
Pan g magnitude 19.22 (0.007)
Pan r magnitude 19.64 (0.01)
Pan i magnitude 19.69 (0.03)
Pan z magnitude 19.44 (0.09)
Pan y magnitude 19.28 (0.06)
E(B-V)

* 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.