Gaia DR2 4395903322423821824

All names: WDJ154240.75-081430.14, WDJ154240.75-081430.13, Gaia DR2 4395903322423821824, Gaia EDR3 4395903322423821824, Gaia DR3 4395903322423821824

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 15 42 40.80 (0.2) 15 42 40.79 15 42 40.80 15 42 40.75 (0.2) 15 42 40.79
Declination -08 14 34.46 (0.2) -08 14 34.33 -08 14 34.46 -08 14 30.14 (0.2) -08 14 34.33
Spectral type DA DA
Effective temperature [K] 5352.0 5054.0 5297.0 (97)
log(g) [cgs] 8.15 7.97 8.13 (0.04)
Mass [M] 0.68 0.548 0.664 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 5.5520 5.2150
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 18.03 (0.2) 17.79 (0.3) 18.03 18.03 (0.2) 17.79 (0.3)
Distance [pc] 55.46 (0.7) 56.20 (0.9) 55.46 55.46 (0.7) 56.20 (0.9)
Composition
Proper motion (right ascension) [mas/yr] 39.74443236 (0.2) 39.95676554 (0.5) 39.744 (0.2) 39.95676554
Proper motion (declination) [mas/yr] -270.4689813 (0.2) -270.4662695 (0.3) -270.469 (0.2) -270.4662695
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.49 (0.03) 18.51 18.49 18.49 (0.003) 18.51
BP magnitude 18.84 (0.03) 18.95 18.95
RP magnitude 17.91 (0.02) 17.90 17.90
Pan g magnitude 18.97 (0.008)
Pan r magnitude 18.47 (0.009)
Pan i magnitude 18.26 (0.005)
Pan z magnitude 18.22 (0.009)
Pan y magnitude 18.20 (0.02)
E(B-V) 0.002

* 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.