Gaia DR2 392840562417338112

All names: Gaia DR3 392840562417338112, Gaia DR2 392840562417338112, UCAC4 695-002229, LAMOST J001830.05+484819.3, 2MASS J00183004+4848196, WISE J001830.05+484819.8, LAMOSTJ001830.05+484819.6

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 00 18 30.05 00 18 30.05 (0.02)
Declination 48 48 19.38 48 48 19.63 (0.02)
Spectral type sdB sdB
Effective temperature [K] 24740.0 (140)
log(g) [cgs] 5.02 (0.03)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.32 (0.06) 0.31 (0.03)
Distance [pc] 3126.95 (556) 3236.25 (363)
Composition
Proper motion (right ascension) [mas/yr] -0.907 (0.07) -0.923 (0.03)
Proper motion (declination) [mas/yr] -2.981 (0.04) -3.022 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude 15.72 (0.1)
I magnitude
J magnitude 15.61 (0.05) 15.61 (0.05)
H magnitude 15.52 (0.1) 15.52 (0.1)
K magnitude 15.91
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.30 (0.0005) 15.28 (0.003)
BP magnitude 15.19 (0.004)
RP magnitude 15.38 (0.002)
Pan g magnitude 15.19 (0.003)
Pan r magnitude 15.46 (0.003)
Pan i magnitude 15.73 (0.003)
Pan z magnitude 15.93 (0.003)
Pan y magnitude 16.04 (0.005)
E(B-V) 0.104

* 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.