Gaia DR2 2069653789716271744

All names: Gaia EDR3 2069653789716271744, LSPM J2039+4336, Gaia DR2 2069653789716271744, USNO-B1.0 1336-00382186, WDJ203954.16+433631.72, Gaia DR3 2069653789716271744

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 20 39 54.42 (0.2) 20 39 54.41 20 39 54.42 20 39 54.16 (0.2) 20 39 54.41
Declination 43 36 27.86 (0.2) 43 36 27.98 43 36 27.86 43 36 31.72 (0.2) 43 36 27.98
Spectral type DC: DC
Effective temperature [K] 4361.0 (98)
log(g) [cgs] 7.83 (0.06)
Mass [M] 0.478 (0.04)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 16.12 (0.2) 15.96 (0.3) 16.12 16.12 (0.2) 15.96 (0.3)
Distance [pc] 62.04 (0.8) 62.68 (1) 62.04 62.04 (0.8) 62.68 (1)
Composition
Proper motion (right ascension) [mas/yr] 176.9464959 (0.2) 176.2474967 (0.4) 176.946 (0.2) 176.2474967
Proper motion (declination) [mas/yr] -241.1197942 (0.2) -241.1600444 (0.4) -241.12 (0.2) -241.1600444
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.70
V magnitude
R magnitude 18.80
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.20 (0.05) 19.23 19.20 19.20 (0.004) 19.23
BP magnitude 19.81 (0.05) 19.91 19.91
RP magnitude 18.60 (0.02) 18.56 18.56
Pan g magnitude 19.92 (0.01)
Pan r magnitude 19.15 (0.007)
Pan i magnitude 18.86 (0.009)
Pan z magnitude 18.74 (0.01)
Pan y magnitude 18.66 (0.03)
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.