SDSS J233816.96+160752.3

All names: Gaia EDR3 2819692759068970752, SDSS J233816.96+160752.39, Gaia DR2 2819692759068970752, SDSS J233816.95+160752.4, Gaia DR3 2819692759068970752, SDSS J233816.96+160752.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 23 38 16.98 (0.6) 23 38 16.96 23 38 16.98 (0.9) 23 38 16.93 (0.6)
Declination 16 07 52.46 (0.4) 16 07 52.48 16 07 52.47 (0.5) 16 07 52.56 (0.4)
Spectral type DC DC DC DC DC
Effective temperature [K] 8286.0 8081.0 9134.0 (283)
log(g) [cgs] 8.38 8.32 8.00 (0)
Mass [M] 0.839 0.782
log(Luminosity) [L]
Cooling age [Gyr] 1.9600 1.9280
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.25 (0.8) 4.04 (1) 3.25 (0.8)
Distance [pc] 307.80 (76) 247.61 (66) 307.81 (76)
Composition
Proper motion (right ascension) [mas/yr] 43.1264699 (0.7) 40.87853519 (2) 43.126 (0.7)
Proper motion (declination) [mas/yr] -5.934797917 (0.6) -7.97113974 (1) -5.935 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.88 (0.08) 20.86 (0.08) 20.86 (0.08)
g magnitude 20.45 (0.03) 20.46 (0.03) 20.45 (0.03)
r magnitude 20.39 (0.03) 20.42 (0.04) 20.39 (0.03)
i magnitude 20.48 (0.04) 20.50 (0.04) 20.48 (0.04)
z magnitude 20.42 (0.1) 20.40 (0.1) 20.40 (0.1)
G magnitude 20.37 (0.08) 20.43 20.37 (0.008)
BP magnitude 20.27 (0.08) 20.60
RP magnitude 20.02 (0.08) 20.46
Pan g magnitude 20.47 (0.02)
Pan r magnitude 20.41 (0.02)
Pan i magnitude 20.51 (0.03)
Pan z magnitude 20.55 (0.04)
Pan y magnitude 20.68 (0.2)
E(B-V) 0.044

* 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.