SDSS J082823.55+470001.3

All names: SDSS J082823.56+470001.3, SDSS J082823.55+470001.3, GALEX J082823.5+470001, [BGK2006] J082823.55+470001.4, SDSS J082823.56+470001.30, SDSS J082823.55+470001.4, [KAB2007] Cand 363, Gaia DR3 930577850922831616, WD 0824+471, Gaia DR2 930577850922831616, Gaia EDR3 930577850922831616

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Kepler et al. 2016 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 08 28 23.50 (0.1) 08 28 23.56 08 28 23.50 (0.1) 08 28 23.56 08 28 23.50 08 28 23.56 (0.1) 08 28 23.38
Declination 47 00 00.08 (0.07) 47 00 01.30 47 00 00.12 (0.1) 47 00 01.30 47 00 00.08 47 00 01.37 (0.07) 46 59 55.68
Spectral type DA+M DA+M DA DA DA3.5 DA+MS
Effective temperature [K] 10815.0 16885.0 (311) 11105.0 (255)
log(g) [cgs] 7.94 7.67 (0.06) 7.96 (0.04)
Mass [M] 0.567 0.483 (0.02) 0.58 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.4540
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] 6.14 (0.1) 6.21 (0.2) 6.14 6.14 (0.1)
Distance [pc] 162.99 (3) 161.00 (4) 162.99 162.99 (3)
Composition H
Proper motion (right ascension) [mas/yr] -39.61361096 (0.1) -39.97683958 (0.2) -39.614 (0.1)
Proper motion (declination) [mas/yr] -80.59469999 (0.1) -80.68704268 (0.2) -80.595 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS? WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.24 (0.01) 18.23 18.23 (0.02) 18.24 (0.01) 18.05
g magnitude 17.72 (0.005) 17.73 17.73 (0.06) 17.72 (0.005) 17.63
r magnitude 18.05 (0.007) 18.04 18.04 (0.3) 18.05 (0.007) 17.95
i magnitude 18.25 (0.01) 18.25 18.25 (0.9) 18.25 (0.01) 18.13
z magnitude 18.44 (0.03) 18.43 18.43 (0.4) 18.44 (0.03) 18.57
G magnitude 17.88 (0.02) 17.91 17.88 17.88 (0.004)
BP magnitude 17.88 (0.02) 17.90
RP magnitude 17.82 (0.02) 17.79
Pan g magnitude 17.84 (0.007)
Pan r magnitude 17.98 (0.006)
Pan i magnitude 18.15 (0.007)
Pan z magnitude 18.24 (0.02)
Pan y magnitude 18.36 (0.04)
E(B-V) 0.008

* 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.