SDSS J135637.78+404703.4

All names: SDSS J135637.78+404703.4, Gaia DR2 1498645171976598144, WD 1354+410, Gaia DR3 1498645171976598144, J1356+4047, SDSS J135637.79+404703.4, SDSS J135637.79+404703.5, Gaia EDR3 1498645171976598144

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 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 56 37.73 (0.1) 13 56 37.79 13 56 37.80 13 56 37.73 (0.1) 13 56 37.73 13 56 37.81 (0.1) 13 56 37.80 13 56 37.79
Declination 40 47 03.64 (0.1) 40 47 03.48 40 47 03.46 40 47 03.63 (0.1) 40 47 03.64 40 47 03.46 (0.1) 40 46 58.80 40 47 03.48
Spectral type DZ DZ DZ DZ DZ7.1 DZ DZ
Effective temperature [K] 6792.0 (145) 7100.0 (70) 7210.0 (170) 6367.0 (35)
log(g) [cgs] 8.11 8.00 8.25 (0.04) 10.00 (0.003)
Mass [M] 0.6396 0.734 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 2.0600
log(H/He) <-3.6192 <-3.0
log(C/He)
log(Ca/He) -10.0837 (0.07) -8.89 (0.05)
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] 9.33 (0.2) 9.18 9.18 (0.2) 9.33 9.33 (0.2)
Distance [pc] 107.17 (2) 108.95 (2) 108.95 (2) 125.00 107.17 107.17 (2)
Composition He He
Proper motion (right ascension) [mas/yr] -54.90301636 (0.1) -54.70522271 (0.2) -54.903 (0.1)
Proper motion (declination) [mas/yr] 10.84219141 (0.2) 11.26687609 (0.2) 10.842 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.59 (0.03) 19.59 (0.03) 19.57 (0.04)
g magnitude 18.94 (0.008) 18.94 (0.008) 18.98 (0.03)
r magnitude 18.82 (0.009) 18.82 (0.009) 18.83 (0.02)
i magnitude 18.89 (0.01) 18.89 (0.01) 18.86 (0.02)
z magnitude 19.02 (0.04) 19.02 (0.04) 19.01 (0.04)
G magnitude 18.81 (0.02) 18.84 18.81 18.81 (0.003)
BP magnitude 18.94 (0.02) 18.95
RP magnitude 18.57 (0.02) 18.52
Pan g magnitude 18.94 (0.008)
Pan r magnitude 18.84 (0.006)
Pan i magnitude 18.88 (0.004)
Pan z magnitude 18.99 (0.02)
Pan y magnitude 19.04 (0.03)
E(B-V) 0.009

* 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.