Gaia DR2 47762235355241856

All names: NLTT 13048, WDJ042051.1+185526.21, LSPM J0420+1855, Gaia DR3 47762235355241856, LP 415-6, Gaia DR2 47762235355241856, WDJ042051.10+185526.21, Gaia EDR3 47762235355241856

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 04 20 51.04 (0.2) 04 20 51.04 04 20 51.04 04 20 51.10 (0.2) 04 20 51.04
Declination 18 55 23.46 (0.09) 18 55 23.55 18 55 23.46 18 55 26.22 (0.09) 18 55 23.55
Spectral type DA: DA
Effective temperature [K] 4712.0 4394.0 4682.0 (61)
log(g) [cgs] 7.82 7.58 7.80 (0.04)
Mass [M] 0.475 0.348 0.464 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 4.8960 3.6220
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 18.23 (0.2) 18.06 (0.3) 18.23 18.23 (0.2) 18.06 (0.3)
Distance [pc] 54.85 (0.7) 55.37 (0.9) 54.85 54.85 (0.7) 55.37 (0.9)
Composition
Proper motion (right ascension) [mas/yr] -55.4095222 (0.3) -54.43667797 (0.8) -55.41 (0.3) -54.43667797
Proper motion (declination) [mas/yr] -172.275119 (0.2) -171.8681948 (0.5) -172.275 (0.2) -171.8681948
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 20.40
V magnitude
R magnitude 18.50
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.63 (0.03) 18.66 18.63 18.63 (0.003) 18.66
BP magnitude 19.19 (0.03) 19.15 19.15
RP magnitude 17.92 (0.02) 17.93 17.93
Pan g magnitude 19.33 (0.008)
Pan r magnitude 18.59 (0.007)
Pan i magnitude 18.29 (0.005)
Pan z magnitude 18.18 (0.005)
Pan y magnitude 18.16 (0.02)
E(B-V) 0.001

* 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.