SDSS J082916.56+470142.9

All names: GALEX J082916.5+470143, SDSS J082916.56+470142.9, Gaia EDR3 930572765679969792, SDSS J082916.56+470143.0, Gaia DR2 930572765679969792, Gaia DR3 930572765679969792, WD 0825+471

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 08 29 16.49 (0.3) 08 29 16.56 08 29 16.50 (0.5) 08 29 16.56 (0.3) 08 29 16.56 08 29 16.27 08 29 16.56
Declination 47 01 42.63 (0.3) 47 01 43.00 47 01 42.65 (0.3) 47 01 43.03 (0.3) 47 01 42.99 47 01 40.80 47 01 43.00
Spectral type DA: DAH DA: DA: DAH: DA
Effective temperature [K] 7710.0 7981.0 (125) 7718.0 (112)
log(g) [cgs] 8.32 8.44 (0.2) 7.98 (0.2)
Mass [M] 0.799
log(Luminosity) [L]
Cooling age [Gyr] 2.1850
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 (0.5) 5.81 (0.6) 6.28 (0.5)
Distance [pc] 159.23 (12) 172.14 (17) 159.23 (12)
Composition H
Proper motion (right ascension) [mas/yr] -45.03814474 (0.4) -44.67601864 (0.9) -45.038 (0.4)
Proper motion (declination) [mas/yr] -25.14144146 (0.4) -25.82113366 (0.7) -25.141 (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 20.39 (0.04) 20.39 (0.04) 20.37 (0.04) 20.37 20.38 (0.04)
g magnitude 19.90 (0.02) 19.90 (0.01) 19.91 (0.02) 19.91 19.91 (0.02)
r magnitude 19.81 (0.02) 19.81 (0.02) 19.80 (0.02) 19.79 19.80 (0.02)
i magnitude 19.82 (0.02) 19.82 (0.03) 19.83 (0.03) 19.83 19.83 (0.03)
z magnitude 19.87 (0.08) 19.87 (0.08) 19.89 (0.08) 19.89 19.89 (0.08)
G magnitude 19.77 (0.06) 19.81 19.77 (0.005)
BP magnitude 19.93 (0.06) 19.90
RP magnitude 19.55 (0.06) 19.52
Pan g magnitude 19.86 (0.01)
Pan r magnitude 19.78 (0.008)
Pan i magnitude 19.81 (0.01)
Pan z magnitude 19.86 (0.03)
Pan y magnitude 19.73 (0.1)
E(B-V) 0.007

* 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.