SDSS J064714.15+272442.7

All names: Gaia EDR3 3385387132169956608, Gaia DR2 3385387132169956608, GALEX J064714.1+272442, Gaia DR3 3385387132169956608, SDSS J064714.14+272442.7, SDSS J064714.15+272442.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 06 47 14.14 (0.3) 06 47 14.14 06 47 14.14 (0.4) 06 47 14.15 (0.3) 06 47 14.15
Declination 27 24 42.73 (0.3) 27 24 42.70 27 24 42.72 (0.4) 27 24 42.66 (0.3) 27 24 42.71
Spectral type DA DA DA DA
Effective temperature [K] 13617.0 16525.0 (330)
log(g) [cgs] 7.85 7.97 (0.07)
Mass [M] 0.526 0.599 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.2117
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] 2.54 (0.4) 2.37 (0.4) 2.54 (0.4)
Distance [pc] 393.31 (54) 422.56 (73) 393.31 (54)
Composition H
Proper motion (right ascension) [mas/yr] -9.83180784 (0.5) -10.18891912 (0.9) -9.832 (0.5)
Proper motion (declination) [mas/yr] 3.923186869 (0.4) 3.327330274 (0.8) 3.923 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.52 (0.03) 19.52 (0.03) 19.55 (0.03)
g magnitude 19.24 (0.01) 19.24 (0.01) 19.24 (0.02)
r magnitude 19.57 (0.02) 19.57 (0.02) 19.58 (0.02)
i magnitude 19.74 (0.03) 19.74 (0.03) 19.76 (0.03)
z magnitude 20.12 (0.1) 20.12 (0.1) 20.18 (0.1)
G magnitude 19.42 (0.04) 19.46 19.42 (0.005)
BP magnitude 19.35 (0.04) 19.36
RP magnitude 19.59 (0.09) 19.44
Pan g magnitude 19.26 (0.01)
Pan r magnitude 19.58 (0.01)
Pan i magnitude 19.82 (0.01)
Pan z magnitude 19.91 (0.03)
Pan y magnitude 20.23 (0.1)
E(B-V) 0.025

* 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.