SDSS J130922.88+393841.7

All names: SDSS J130922.87+393841.6, Gaia DR2 1523970154579857408, Gaia EDR3 1523970154579857408, SDSS J130922.88+393841.7, Gaia DR3 1523970154579857408, GALEX J130922.8+393842, SDSS J130922.88+393841.6

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 13 09 22.86 (0.3) 13 09 22.88 13 09 22.86 (0.4) 13 09 22.89 (0.3) 13 09 22.88
Declination 39 38 41.51 (0.3) 39 38 41.69 39 38 41.52 (0.4) 39 38 41.68 (0.3) 39 38 41.69
Spectral type DA DA DA DA
Effective temperature [K] 13279.0 15263.0 (324)
log(g) [cgs] 7.77 7.91 (0.07)
Mass [M] 0.486 0.567 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.2053
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] 2.10 (0.5) 1.75 (0.7) 2.10 (0.5)
Distance [pc] 476.82 (113) 572.48 (224) 476.83 (113)
Composition H
Proper motion (right ascension) [mas/yr] -17.17044744 (0.3) -17.03809428 (0.6) -17.17 (0.3)
Proper motion (declination) [mas/yr] -10.34740702 (0.4) -9.93927982 (0.9) -10.347 (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 20.16 (0.04) 20.16 (0.04) 20.17 (0.04)
g magnitude 19.84 (0.01) 19.84 (0.01) 19.86 (0.03)
r magnitude 20.17 (0.02) 20.17 (0.02) 20.17 (0.02)
i magnitude 20.33 (0.03) 20.33 (0.03) 20.33 (0.03)
z magnitude 20.88 (0.2) 20.88 (0.2) 20.78 (0.2)
G magnitude 20.00 (0.05) 20.05 20.00 (0.005)
BP magnitude 20.05 (0.05) 19.82
RP magnitude 20.04 (0.07) 20.13
Pan g magnitude 19.89 (0.01)
Pan r magnitude 20.13 (0.02)
Pan i magnitude 20.40 (0.009)
Pan z magnitude 20.58 (0.03)
Pan y magnitude 20.60 (0.2)
E(B-V) 0.019

* 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.