SDSS J235516.61+143136.1

All names: Gaia DR2 2770512570327553408, SDSS J235516.60+143136.2, Gaia DR3 2770512570328029184, Gaia EDR3 2770512570328029184, WD 2352+142, SDSS J235516.61+143136.2, GALEX J235516.6+143137, SDSS J235516.61+143136.1, J2355+1431

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 Gaia DR2 Stilism Dufour et al. 2007 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 23 55 16.75 (0.2) 23 55 16.60 23 55 16.58 23 55 16.74 (0.3) 23 55 16.75 23 55 16.58 (0.2) 23 55 16.60 23 55 16.32 23 55 16.61
Declination 14 31 35.30 (0.1) 14 31 36.21 14 31 36.28 14 31 35.33 (0.1) 14 31 35.30 14 31 36.28 (0.1) 14 31 36.21 14 31 35.76 14 31 36.19
Spectral type DZ DZ DZ DZ DZ DZ DZ DZ
Effective temperature [K] 6523.0 (113) 6940.0 (110) 6797.0 (228) 6593.0 (60) 6453.0 (45)
log(g) [cgs] 8.10 8.00 8.22 (0.06) 8.97 (0.05) 10.00 (0.007)
Mass [M] 0.6372 0.716 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 2.3100
log(H/He) <-3.3219 -3.67 (0.9)
log(C/He)
log(Ca/He) -10.583 (0.1) -10.8 (0.2)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 8.92 (0.3) 8.99 8.99 (0.4) 8.92 8.92 (0.3)
Distance [pc] 112.09 (4) 111.29 (5) 111.29 (5) 129.00 112.09 112.09 (4)
Composition He He
Proper motion (right ascension) [mas/yr] 147.6881148 (0.3) 147.5013187 (0.7) 147.688 (0.3) 151.8
Proper motion (declination) [mas/yr] -61.27382029 (0.2) -61.29254435 (0.3) -61.274 (0.2) -63.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.84 (0.04) 19.84 (0.04) 19.87 (0.04) 19.87 19.85 (0.04)
g magnitude 19.19 (0.01) 19.19 (0.01) 19.22 (0.02) 19.22 19.22 (0.02)
r magnitude 19.06 (0.01) 19.06 (0.01) 19.07 (0.02) 19.07 19.07 (0.02)
i magnitude 19.05 (0.02) 19.05 (0.01) 19.07 (0.02) 19.07 19.06 (0.02)
z magnitude 19.05 (0.05) 19.05 (0.05) 19.06 (0.05) 19.07 19.05 (0.05)
G magnitude 19.05 (0.03) 19.08 19.05 19.05 (0.003)
BP magnitude 19.23 (0.03) 19.25
RP magnitude 18.83 (0.03) 18.77
Pan g magnitude 19.20 (0.02)
Pan r magnitude 19.10 (0.01)
Pan i magnitude 19.08 (0.006)
Pan z magnitude 19.17 (0.02)
Pan y magnitude 19.29 (0.05)
E(B-V) 0.007

* 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.