SDSS J103923.57+354932.4

All names: GALEX J103923.5+354932, Gaia DR3 751182293942790144, SDSS J103923.56+354932.4, SDSS J103923.57+354932.4, Gaia DR2 751182293942790144, Gaia EDR3 751182293942790144

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 10 39 23.55 (0.2) 10 39 23.57 10 39 23.55 (0.3) 10 39 23.58 (0.2) 10 39 23.57
Declination 35 49 33.12 (0.3) 35 49 32.45 35 49 33.09 (0.4) 35 49 32.22 (0.3) 35 49 32.42
Spectral type DA DA DA DA
Effective temperature [K] 7416.0 7033.0 (97)
log(g) [cgs] 7.97 7.89 (0.2)
Mass [M] 0.576 0.534 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 1.2600
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] 5.78 (0.3) 5.89 (0.4) 5.79 (0.3)
Distance [pc] 172.86 (9) 169.75 (12) 172.86 (9)
Composition H
Proper motion (right ascension) [mas/yr] -19.45741797 (0.3) -19.13415068 (0.6) -19.457 (0.3)
Proper motion (declination) [mas/yr] 56.30667646 (0.4) 55.92697914 (0.8) 56.307 (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 20.06 (0.05) 20.06 (0.05) 20.15 (0.06)
g magnitude 19.53 (0.01) 19.53 (0.01) 19.53 (0.03)
r magnitude 19.37 (0.01) 19.37 (0.01) 19.36 (0.03)
i magnitude 19.31 (0.02) 19.31 (0.02) 19.31 (0.02)
z magnitude 19.30 (0.07) 19.30 (0.07) 19.31 (0.06)
G magnitude 19.35 (0.03) 19.38 19.35 (0.004)
BP magnitude 19.57 (0.03) 19.57
RP magnitude 19.09 (0.06) 19.02
Pan g magnitude 19.47 (0.01)
Pan r magnitude 19.37 (0.01)
Pan i magnitude 19.36 (0.007)
Pan z magnitude 19.42 (0.02)
Pan y magnitude 19.45 (0.05)
E(B-V) 0.013

* 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.