Gaia DR2 2969453703131743872

All names: 2MASS J05204000-1856404, TIC 139412418, WDJ052040.02-185640.37, Gaia DR3 2969453703131743872, [DPN2008] WDc-4, WDJ052040.02-185640.38, Gaia DR2 2969453703131743872, Gaia EDR3 2969453703131743872

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 05 20 40.01 (0.03) 05 20 40.01 05 20 40.01 05 20 40.02 (0.03) 05 20 40.01
Declination -18 56 44.09 (0.03) -18 56 43.98 -18 56 44.09 -18 56 40.37 (0.03) -18 56 43.98
Spectral type DA DA
Effective temperature [K] 7230.0 6962.0 7391.0 (41)
log(g) [cgs] 8.06 7.95 8.10 (0.01)
Mass [M] 0.631 0.545 0.652 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 1.5180 1.4710
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 23.94 (0.05) 24.10 (0.06) 23.94 23.94 (0.05) 24.10 (0.06)
Distance [pc] 41.77 (0.08) 41.50 (0.1) 41.77 41.77 (0.08) 41.50 (0.1)
Composition
Proper motion (right ascension) [mas/yr] -16.63795226 (0.04) -16.60996751 (0.09) -16.638 (0.04) -16.60996751
Proper motion (declination) [mas/yr] -232.6869997 (0.04) -232.2891092 (0.1) -232.687 (0.04) -232.2891092
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.34
V magnitude
R magnitude 16.40
I magnitude 17.92
J magnitude 16.00 (0.1)
H magnitude 15.62 (0.1)
K magnitude 15.54 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.48 (0.003) 16.49 16.48 16.48 (0.003) 16.49
BP magnitude 16.64 (0.003) 16.64 16.64
RP magnitude 16.17 (0.004) 16.17 16.17
Pan g magnitude 16.65 (0.007)
Pan r magnitude 16.53 (0.01)
Pan i magnitude 16.51 (0.002)
Pan z magnitude 16.56 (0.005)
Pan y magnitude 16.60 (0.008)
E(B-V) 0.000

* 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.