Gaia DR2 4468262594967618048

All names: USNO-B1.0 0920-00419156, WDJ180430.25+020506.89, LSPM J1804+0205, WDJ180430.25+020506.88, Gaia DR3 4468262594967618048, Gaia DR2 4468262594967618048, Gaia EDR3 4468262594967618048

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 18 04 30.22 (0.2) 18 04 30.22 18 04 30.22 18 04 30.25 (0.2) 18 04 30.22
Declination 02 05 04.48 (0.2) 02 05 04.55 02 05 04.48 02 05 06.88 (0.2) 02 05 04.55
Spectral type DA DA
Effective temperature [K] 6023.0 (170)
log(g) [cgs] 8.29 (0.06)
Mass [M] 0.771 (0.06)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.05 (0.3) 10.95 (0.4) 11.05 11.05 (0.3) 10.95 (0.4)
Distance [pc] 90.47 (2) 91.35 (3) 90.47 90.47 (2) 91.35 (3)
Composition
Proper motion (right ascension) [mas/yr] -28.62468444 (0.3) -28.656436 (0.6) -28.625 (0.3) -28.656436
Proper motion (declination) [mas/yr] -150.3909824 (0.3) -150.6265738 (0.6) -150.391 (0.3) -150.6265738
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude 19.40
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.21 (0.04) 19.24 19.21 19.21 (0.004) 19.24
BP magnitude 19.55 (0.04) 19.50 19.50
RP magnitude 18.79 (0.03) 18.93 18.93
Pan g magnitude 19.55 (0.009)
Pan r magnitude 19.22 (0.008)
Pan i magnitude 19.08 (0.01)
Pan z magnitude 19.07 (0.03)
Pan y magnitude 19.16 (0.03)
E(B-V) 0.029

* 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.