SDSS J123936.19+262720.6

All names: SDSS J123936.18+262720.6, Gaia DR3 3962071699511484288, Gaia EDR3 3962071699511484288, SDSS J123936.19+262720.6, Gaia DR2 3962071699511484288, GALEX J123936.1+262720, SDSS J123936.18+262720.5

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013
Right ascension 12 39 36.19 (0.5) 12 39 36.19 12 39 36.19 (0.7) 12 39 36.20 (0.5) 12 39 36.19
Declination 26 27 20.56 (0.4) 26 27 20.59 26 27 20.56 (0.5) 26 27 20.59 (0.4) 26 27 20.64
Spectral type DA DA DA
Effective temperature [K] 13213.0 14647.0 (813)
log(g) [cgs] 7.31 7.67 (0.2)
Mass [M] 0.307 0.47 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.1375
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] 2.11 (0.7) 1.11 (1) 2.11 (0.7)
Distance [pc] 473.26 (163) 904.25 (799) 473.26 (163)
Composition H
Proper motion (right ascension) [mas/yr] -1.628688219 (0.9) -1.486622344 (2) -1.629 (0.9)
Proper motion (declination) [mas/yr] -1.708859929 (0.8) -1.657107504 (0.9) -1.709 (0.8)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.66 (0.06) 20.66 (0.06) 20.62 (0.07)
g magnitude 20.28 (0.02) 20.28 (0.02) 20.29 (0.03)
r magnitude 20.55 (0.03) 20.55 (0.03) 20.55 (0.04)
i magnitude 20.81 (0.06) 20.81 (0.06) 20.84 (0.07)
z magnitude 20.97 (0.3) 20.97 (0.3) 20.96 (0.2)
G magnitude 20.42 (0.1) 20.48 20.42 (0.007)
BP magnitude 20.65 (0.1) 20.50
RP magnitude 20.51 (0.1) 20.54
Pan g magnitude 20.34 (0.03)
Pan r magnitude 20.53 (0.02)
Pan i magnitude 20.79 (0.03)
Pan z magnitude 20.93 (0.06)
Pan y magnitude
E(B-V) 0.015

* 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.