SDSS J020549.69+000040.4

All names: SDSS J020549.70+000040.4, SDSS J020549.69+000040.4, Gaia DR3 2507183379469211264, Gaia EDR3 2507183379469211264, Gaia DR2 2507183379469211264, 2SLAQ J020549.69+000040.4

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 02 05 49.73 (0.8) 02 05 49.70 02 05 49.73 (0.7) 02 05 49.69 (0.8) 02 05 49.69
Declination 00 00 40.51 (0.7) 00 00 40.45 00 00 40.51 (0.9) 00 00 40.50 (0.7) 00 00 40.44
Spectral type DC DC DC DC DC
Effective temperature [K] 7416.0 7289.0 10125.0 (61)
log(g) [cgs] 7.71 7.65 8.53 (0.9)
Mass [M] 0.437 0.389
log(Luminosity) [L]
Cooling age [Gyr] 0.9041 0.9156
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.71 (0.8) 2.96 (0.9) 3.71 (0.8)
Distance [pc] 269.29 (58) 338.24 (103) 269.29 (58)
Composition
Proper motion (right ascension) [mas/yr] 36.76190118 (1) 35.78786568 (2) 36.762 (1)
Proper motion (declination) [mas/yr] 0.608417421 (1) 0.223049283 (2) 0.608 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.09 (0.07) 21.09 (0.07) 21.08 (0.1)
g magnitude 20.66 (0.02) 20.66 (0.02) 20.65 (0.03)
r magnitude 20.47 (0.02) 20.47 (0.03) 20.54 (0.03)
i magnitude 20.58 (0.04) 20.58 (0.04) 20.55 (0.05)
z magnitude 20.44 (0.1) 20.45 (0.1) 20.70 (0.2)
G magnitude 20.50 (0.1) 20.56 20.50 (0.009)
BP magnitude 20.61 (0.1) 20.42
RP magnitude 20.23 (0.1) 20.24
Pan g magnitude 20.62 (0.02)
Pan r magnitude 20.54 (0.04)
Pan i magnitude 20.51 (0.02)
Pan z magnitude 20.60 (0.07)
Pan y magnitude 20.37 (0.2)
E(B-V) 0.024

* 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.