Gaia DR2 4604548641775219712

All names: WDJ180404.10+340207.81, Gaia DR2 4604548641775219712, Gaia EDR3 4604548641775219712, WDJ18044.1+340207.80, Gaia DR3 4604548641775219712, GALEX J180404.0+340208

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 18 04 04.04 (0.1) 18 04 04.04 18 04 04.04 18 04 04.10 (0.1) 18 04 04.04
Declination 34 02 09.29 (0.1) 34 02 09.24 34 02 09.29 34 02 07.82 (0.1) 34 02 09.24
Spectral type DC D
Effective temperature [K] 10157.0 9757.0 9268.0 (399)
log(g) [cgs] 9.10 9.02 8.92 (0.06)
Mass [M] 1.237 1.195 1.151 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 2.3420 2.3360
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.56 (0.1) 10.61 (0.2) 10.56 10.56 (0.1) 10.61 (0.2)
Distance [pc] 94.72 (1) 94.28 (2) 94.72 94.72 (1) 94.28 (2)
Composition
Proper motion (right ascension) [mas/yr] -48.8828225 (0.2) -48.53332146 (0.4) -48.883 (0.2) -48.53332146
Proper motion (declination) [mas/yr] 91.85760332 (0.2) 92.61845396 (0.4) 91.858 (0.2) 92.61845396
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 18.98 (0.02) 19.01 18.98 18.98 (0.003) 19.01
BP magnitude 19.10 (0.02) 19.00 19.00
RP magnitude 18.99 (0.03) 18.93 18.93
Pan g magnitude 18.99 (0.009)
Pan r magnitude 19.09 (0.01)
Pan i magnitude 19.19 (0.006)
Pan z magnitude 19.32 (0.04)
Pan y magnitude 19.55 (0.08)
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.