SDSS J082422.77+522838.7

All names: SDSS J082422.77+522838.71, Gaia DR3 1028501013621752960, SDSS J082422.77+522838.7, GALEX J082422.4+522840, Gaia DR2 1028501013621752960, Gaia EDR3 1028501013621752960

Parameter Unit Gaia EDR3 SDSS DR10 Gaia DR2 Stilism Kepler et al. 2015 Simbad
Right ascension 08 24 22.74 (0.2) 08 24 22.79 08 24 22.74 (0.2) 08 24 22.74 (0.2)
Declination 52 28 38.75 (0.1) 52 28 38.46 52 28 38.75 (0.2) 52 28 38.76 (0.1)
Spectral type DAZ: DAZ
Effective temperature [K] 6526.0 (30)
log(g) [cgs] 5.03 (0.04)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.00 (0.2) 0.20 (0.2) 0.00 (0.2)
Distance [pc] 473843.60 (42424328) 4928.54 (6070) 476190.48 (42834467)
Composition
Proper motion (right ascension) [mas/yr] 0.453736414 (0.2) 0.683 (0.4) 0.454 (0.2)
Proper motion (declination) [mas/yr] -0.385042183 (0.2) -0.583 (0.3) -0.385 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.08 (0.06) 20.27 (0.06) 20.27 (0.06)
g magnitude 18.94 (0.01) 19.13 (0.02) 19.13 (0.02)
r magnitude 19.52 (0.02) 19.89 (0.04) 19.89 (0.04)
i magnitude 18.43 (0.02) 18.70 (0.02) 18.70 (0.02)
z magnitude 18.35 (0.05) 18.65 (0.05) 18.65 (0.05)
G magnitude 18.80 (0.03) 18.83 18.80 (0.003)
BP magnitude 19.07 (0.03) 19.08
RP magnitude 18.40 (0.03) 18.37
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.035

* 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.