Gaia DR2 4538304337520289664

All names: Gaia DR2 4538304337520289664, Gaia EDR3 4538304337520289664, WDJ184723.42+271817.08, Gaia DR3 4538304337520289664, WDJ184723.42+271817.07

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 18 47 23.42 (0.2) 18 47 23.42 18 47 23.42 18 47 23.42 (0.2) 18 47 23.42
Declination 27 18 16.44 (0.3) 27 18 16.46 27 18 16.44 27 18 17.07 (0.3) 27 18 16.46
Spectral type DA DA
Effective temperature [K] 4482.0 (129)
log(g) [cgs] 7.80 (0.08)
Mass [M] 0.46 (0.06)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.40 (0.3) 12.18 (0.4) 12.40 12.40 (0.3) 12.18 (0.4)
Distance [pc] 80.67 (2) 82.08 (3) 80.67 80.67 (2) 82.08 (3)
Composition
Proper motion (right ascension) [mas/yr] 2.222563596 (0.3) 1.686852871 (0.5) 2.223 (0.3) 1.686852871
Proper motion (declination) [mas/yr] -39.59536892 (0.3) -39.88282909 (0.7) -39.595 (0.3) -39.88282909
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 19.67 (0.07) 19.72 19.67 19.67 (0.004) 19.72
BP magnitude 20.27 (0.07) 20.26 20.26
RP magnitude 19.00 (0.04) 19.03 19.03
Pan g magnitude 20.45 (0.02)
Pan r magnitude 19.66 (0.01)
Pan i magnitude 19.33 (0.006)
Pan z magnitude 19.17 (0.02)
Pan y magnitude 19.14 (0.02)
E(B-V) 0.018

* 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.