SDSS J114755.66+475814.3

All names: Gaia DR3 786798323129999104, Gaia EDR3 786798323129999104, WD 1145+482, SDSS J114755.66+475814.3, J1147+4758, SDSS J114755.67+475814.4, GALEX J114755.6+475814, Gaia DR2 786798323129999104

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Fantin et al. 2021 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 47 55.57 (0.2) 11 47 55.67 11 47 55.57 (0.4) 11 47 55.70 (0.2) 11 47 55.67 11 47 55.10 11 47 55.67
Declination 47 58 13.75 (0.3) 47 58 14.35 47 58 13.77 (0.5) 47 58 14.45 (0.3) 47 58 14.38 47 58 07.68 47 58 14.38
Spectral type DA DA DA DA_auto DA DA DA
Effective temperature [K] 17689.0 (808) 16093.0 18136.0 (692) 18820.0 (724)
log(g) [cgs] 8.08 8.05 (0.2) 7.95 (0.2)
Mass [M] 0.72 (0.3) 0.664 0.594 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.1813
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] 1.36 (0.5) 1.70 (0.7) 1.36 (0.5)
Distance [pc] 735.60 (273) 587.83 (241) 735.62 (273)
Composition H
Proper motion (right ascension) [mas/yr] -82.51915971 (0.3) -82.20900872 (0.5) -82.519 (0.3) -87.3
Proper motion (declination) [mas/yr] -43.45800327 (0.6) -43.78049762 (0.8) -43.458 (0.6) -39.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.14 (0.04) 20.14 (0.04) 20.16 (0.04) 20.15 20.15 (0.04)
g magnitude 19.97 (0.02) 19.97 (0.02) 19.99 (0.02) 19.98 19.98 (0.02)
r magnitude 20.34 (0.03) 20.34 (0.03) 20.34 (0.04) 20.34 20.34 (0.04)
i magnitude 20.63 (0.06) 20.64 (0.06) 20.62 (0.06) 20.62 20.61 (0.06)
z magnitude 20.83 (0.2) 20.83 (0.2) 20.84 (0.2) 20.83 20.81 (0.2)
G magnitude 20.16 (0.06) 20.24 20.16 (0.005)
BP magnitude 20.08 (0.06) 20.01
RP magnitude 20.18 (0.08) 20.04
Pan g magnitude 20.02 (0.02)
Pan r magnitude 20.29 (0.03)
Pan i magnitude 20.62 (0.02)
Pan z magnitude 20.84 (0.05)
Pan y magnitude 20.48 (0.2)
E(B-V) 0.018

* 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.