SDSS J220502.25+192404.5

All names: Gaia DR2 1779682714858785792, SDSS J220502.25+192404.5, SDSS J220502.25+192404.50, Gaia EDR3 1779682714858785792, Gaia DR3 1779682714858785792

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 22 05 02.25 (0.3) 22 05 02.25 22 05 02.25 (0.4) 22 05 02.25 (0.3)
Declination 19 24 04.45 (0.3) 19 24 04.49 19 24 04.45 (0.5) 19 24 04.47 (0.3)
Spectral type sdA sdA
Effective temperature [K] 7739.0 (38)
log(g) [cgs] 5.99 (0.1)
Mass [M☉] 0.15204 (0.0007)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.34 (0.3) -0.86 (0.5)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] 1.422970104 (0.3) 1.623528825 (0.7) 1.423 (0.3)
Proper motion (declination) [mas/yr] -1.209725664 (0.3) 0.502325828 (0.6) -1.21 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.26 (0.07) 20.20 (0.07) 20.20 (0.07)
g magnitude 19.37 (0.01) 19.39 (0.02) 19.39 (0.02)
r magnitude 19.25 (0.02) 19.24 (0.02) 19.24 (0.02)
i magnitude 19.27 (0.02) 19.26 (0.02) 19.26 (0.02)
z magnitude 19.17 (0.07) 19.14 (0.07) 19.14 (0.07)
G magnitude 19.21 (0.06) 19.24 19.21 (0.005)
BP magnitude 19.37 (0.06) 19.50
RP magnitude 19.00 (0.06) 19.00
Pan g magnitude 19.35 (0.008)
Pan r magnitude 19.24 (0.006)
Pan i magnitude 19.28 (0.01)
Pan z magnitude 19.32 (0.01)
Pan y magnitude 19.28 (0.03)
E(B-V)

* 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.