SDSS J163419.13+403558.8

All names: SDSS J163419.13+403558.8, Gaia DR2 1356732752368007040, WD 1632+407, SDSS J163419.13+403558.9, Gaia EDR3 1356732752368007040, Gaia DR3 1356732752368007040, GALEX J163419.1+403559

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 16 34 19.14 (0.2) 16 34 19.13 16 34 19.14 (0.3) 16 34 19.13 (0.2) 16 34 19.13 16 34 18.46 16 34 19.13
Declination 40 35 58.92 (0.3) 40 35 58.86 40 35 58.91 (0.4) 40 35 58.85 (0.3) 40 35 58.88 40 35 56.76 40 35 58.90
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 24608.0 20896.0 (546) 20265.0 (538)
log(g) [cgs] 8.24 7.78 (0.1) 7.84 (0.1)
Mass [M☉] 0.774 0.546 (0.05)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.0513
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] 1.85 (0.3) 1.55 (0.5) 1.85 (0.3)
Distance [pc] 540.99 (101) 645.43 (194) 540.98 (101)
Composition H
Proper motion (right ascension) [mas/yr] 2.366463748 (0.4) 3.496433792 (0.8) 2.366 (0.4) -2.0
Proper motion (declination) [mas/yr] 4.079955688 (0.4) 4.688070286 (1) 4.08 (0.4) 5.6
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.78 (0.03) 19.78 (0.03) 19.79 (0.04) 19.78 19.77 (0.04)
g magnitude 19.67 (0.01) 19.67 (0.01) 19.69 (0.02) 19.68 19.68 (0.02)
r magnitude 20.08 (0.02) 20.08 (0.02) 20.09 (0.02) 20.08 20.09 (0.02)
i magnitude 20.34 (0.03) 20.34 (0.03) 20.36 (0.03) 20.35 20.36 (0.03)
z magnitude 20.68 (0.2) 20.68 (0.2) 20.63 (0.2) 20.62 20.64 (0.2)
G magnitude 19.86 (0.05) 19.93 19.86 (0.005)
BP magnitude 19.85 (0.05) 19.82
RP magnitude 19.92 (0.09) 20.17
Pan g magnitude 19.70 (0.02)
Pan r magnitude 20.06 (0.01)
Pan i magnitude 20.36 (0.02)
Pan z magnitude 20.62 (0.05)
Pan y magnitude
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.