LS IV +09 2

All names: TIC 264763796, LS IV +09 2, UCAC4 496-073384, ALS 9343, CSI+09-17333, Gaia DR3 4487798721865489152, ATO J263.9315+09.1436, UCAC2 35051677, Gaia DR2 4487798721865489152, 2MASS J17354354+0908368, GALEXJ17357+0908

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 17 35 43.66 17 35 43.55 (0.03)
Declination 09 08 35.88 09 08 36.94 (0.03)
Spectral type sdB sdB
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.05 (0.06) 2.18 (0.04)
Distance [pc] 488.16 (15) 458.93 (8)
Composition
Proper motion (right ascension) [mas/yr] -8.817 (0.1) -8.958 (0.04)
Proper motion (declination) [mas/yr] -9.889 (0.1) -9.815 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.64 (0.02)
V magnitude 12.72 (0.03)
R magnitude 12.97 (0.07)
I magnitude
J magnitude 13.04 (0.02) 13.04 (0.02)
H magnitude 13.10 (0.03) 13.10 (0.03)
K magnitude 13.20 (0.04) 13.20 (0.04)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 12.69 (0.002) 12.68 (0.003)
BP magnitude 12.55 (0.01)
RP magnitude 12.80 (0.01)
Pan g magnitude 12.60
Pan r magnitude 12.93
Pan i magnitude 13.18
Pan z magnitude 13.37 (0.002)
Pan y magnitude 13.52 (0.02)
E(B-V) 0.123

* 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.