SDSS J144759.49+135701.6

All names: GALEX J144759.5+135701, SDSS J144759.49+135701.5, Gaia EDR3 1184956016400283392, Gaia DR2 1184956016400283392, SDSS J144759.48+135701.5, SDSS J144759.49+135701.6, Gaia DR3 1184956016400283392

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 47 59.48 (0.1) 14 47 59.48 14 47 59.48 (0.2) 14 47 59.48 14 47 59.48 (0.1) 14 47 59.49
Declination 13 57 01.41 (0.2) 13 57 01.56 13 57 01.42 (0.3) 13 57 01.41 13 57 01.64 (0.2) 13 57 01.57
Spectral type DA DA DA DA DA
Effective temperature [K] 9284.0 9792.0 (304) 9339.0 (54)
log(g) [cgs] 7.68 7.85 (0.07) 7.96 (0.09)
Mass [M] 0.428 0.515 (0.06) 0.578 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.5017
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] 4.87 (0.2) 4.72 (0.3) 4.87 4.87 (0.2)
Distance [pc] 205.54 (9) 211.91 (15) 205.54 205.54 (9)
Composition H
Proper motion (right ascension) [mas/yr] -6.069472393 (0.2) -5.965638501 (0.5) -6.069 (0.2)
Proper motion (declination) [mas/yr] -14.1592722 (0.2) -12.49167648 (0.6) -14.159 (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 19.04 (0.02) 19.04 (0.02) 19.04 (0.03)
g magnitude 18.65 (0.008) 18.65 (0.008) 18.65 (0.02)
r magnitude 18.73 (0.01) 18.73 (0.01) 18.75 (0.02)
i magnitude 18.79 (0.01) 18.79 (0.01) 18.78 (0.02)
z magnitude 18.89 (0.04) 18.89 (0.04) 18.92 (0.04)
G magnitude 18.61 (0.02) 18.67 18.61 18.61 (0.004)
BP magnitude 18.72 (0.02) 18.70
RP magnitude 18.54 (0.03) 18.51
Pan g magnitude 18.62 (0.005)
Pan r magnitude 18.69 (0.007)
Pan i magnitude 18.80 (0.01)
Pan z magnitude 18.93 (0.007)
Pan y magnitude 18.99 (0.05)
E(B-V) 0.024

* 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.