Gaia DR2 2064838031864808832

All names: J2035+4054, Gaia DR2 2064838031864808832, WDJ203550.05+405438.30, Gaia DR3 2064838031864808832, Gaia EDR3 2064838031864808832, SDSS J203550.07+405438.6, WDJ203550.05+405438.31

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Bergeron et al. 2022 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 20 35 50.17 (0.2) 20 35 50.17 20 35 50.17 20 35 50.05 (0.2) 20 35 50.17
Declination 40 54 39.46 (0.2) 40 54 39.43 40 54 39.46 40 54 38.30 (0.2) 40 54 39.43
Spectral type IRfaint DC DC: DC
Effective temperature [K] 3021.0 (65) 3021.0 (65) 4804.0 4565.0 4724.0 (110)
log(g) [cgs] 7.23 (0.03) 8.48 8.34 8.39 (0.05)
Mass [M] 0.24 (0.009) 0.24 (0.009) 0.894 0.787 0.837 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 8.9720 9.1290 7.7530
log(H/He) -0.27 -0.27
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 20.03 (0.2) 19.75 (0.3) 20.03 20.03 (0.2) 19.75 (0.3)
Distance [pc] 49.93 (0.6) 50.64 (0.7) 49.93 49.93 (0.6) 50.64 (0.7)
Composition
Proper motion (right ascension) [mas/yr] 88.76109443 (0.2) 88.4478963 (0.5) 88.761 (0.2) 88.4478963
Proper motion (declination) [mas/yr] 72.42133433 (0.2) 72.36829696 (0.5) 72.421 (0.2) 72.36829696
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 22.80 (0.4) 22.87 (0.5)
g magnitude 20.27 (0.02) 20.21 (0.02)
r magnitude 18.87 (0.01) 18.91 (0.01)
i magnitude 18.64 (0.01) 18.64 (0.01)
z magnitude 19.05 (0.05) 19.08 (0.07)
G magnitude 19.08 (0.05) 19.12 19.08 19.08 (0.004) 19.12
BP magnitude 19.83 (0.05) 19.72 19.72
RP magnitude 18.42 (0.03) 18.40 18.40
Pan g magnitude 20.05 (0.02)
Pan r magnitude 18.92 (0.01)
Pan i magnitude 18.67 (0.01)
Pan z magnitude 18.91 (0.04)
Pan y magnitude 19.33 (0.07)
E(B-V) 0.004

* 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.