SDSS J013910.70+144726.6

All names: Gaia DR3 2588702614661788544, Gaia DR2 2588702614661788544, WD 0136+145, SDSS J013910.70+144726.6, GALEX J013910.6+144726, Gaia EDR3 2588702614661788544, ** SLN 56A, WDS J01392+1447A

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 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 01 39 10.68 (0.4) 01 39 10.70 01 39 10.68 (0.6) 01 39 10.70 (0.4) 01 39 10.70 01 39 10.99 01 39 10.70
Declination 14 47 26.02 (0.3) 14 47 26.63 14 47 26.04 (0.3) 14 47 26.69 (0.3) 14 47 26.64 14 47 24.36 14 47 26.62
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 8066.0 8916.0 (115) 8966.0 (150)
log(g) [cgs] 8.35 8.84 (0.1) 8.83 (0.2)
Mass [M☉] 0.815 1.083 (0.05)
log(Luminosity) [L☉]
Cooling age [Gyr] 1.9700
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] 6.28 (0.3) 6.22 (0.5) 6.28 (0.3)
Distance [pc] 159.17 (9) 160.78 (13) 159.17 (9)
Composition H
Proper motion (right ascension) [mas/yr] -20.31158269 (0.5) -19.85361707 (1) -20.312 (0.5) -13.0
Proper motion (declination) [mas/yr] -42.05055947 (0.3) -41.47713535 (0.6) -42.051 (0.3) -48.7
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.94 (0.03) 19.94 (0.04) 19.86 (0.04) 19.86 19.87 (0.04)
g magnitude 19.55 (0.01) 19.55 (0.01) 19.55 (0.02) 19.55 19.55 (0.02)
r magnitude 19.51 (0.02) 19.51 (0.01) 19.55 (0.03) 19.55 19.55 (0.03)
i magnitude 19.53 (0.02) 19.53 (0.02) 19.58 (0.03) 19.58 19.57 (0.03)
z magnitude 19.62 (0.08) 19.62 (0.08) 19.55 (0.08) 19.55 19.54 (0.08)
G magnitude 19.45 (0.05) 19.48 19.45 (0.005)
BP magnitude 19.66 (0.05) 19.50
RP magnitude 19.26 (0.09) 19.22
Pan g magnitude 19.57 (0.02)
Pan r magnitude 19.50 (0.009)
Pan i magnitude 19.58 (0.01)
Pan z magnitude 19.64 (0.02)
Pan y magnitude 19.69 (0.04)
E(B-V) 0.020

* 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.