Gaia DR2 4523666131196149632

All names: Gaia DR2 4523666131196149632, LAMOST J181920.23+181042.2, UCAC4 541-071605, 2MASS J18192023+1810429, Gaia DR3 4523666131196149632, LAMOSTJ181920.24+181042.4, PSO J274.8343+18.1784

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 18 19 20.23 18 19 20.24 (0.04)
Declination 18 10 42.25 18 10 42.42 (0.05)
Spectral type sdB sdB
Effective temperature [K] 27630.0 (220)
log(g) [cgs] 5.14 (0.03)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.33 (0.08) 0.39 (0.05)
Distance [pc] 3041.36 (716) 2578.65 (349)
Composition
Proper motion (right ascension) [mas/yr] -3.372 (0.2) -3.354 (0.04)
Proper motion (declination) [mas/yr] -11.473 (0.1) -11.427 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.68 (0.2) 16.68 (0.2)
H magnitude 16.18
K magnitude 15.66
u magnitude
g magnitude 16.34 (0.002)
r magnitude 16.58 (0.002)
i magnitude 16.82 (0.003)
z magnitude 16.99 (0.007)
G magnitude 16.44 (0.002) 16.41 (0.003)
BP magnitude 16.36 (0.007)
RP magnitude 16.48 (0.008)
Pan g magnitude 16.34 (0.002)
Pan r magnitude 16.58 (0.002)
Pan i magnitude 16.82 (0.003)
Pan z magnitude 16.99 (0.007)
Pan y magnitude 17.12 (0.01)
E(B-V) 0.130

* 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.