18332+4010 STT 356 BC

18^h 33^m 12.43^s +40° 09' 50.6" P.A. 45.00 sep 45.6 mag 9.23,10.90 Sp K0 dist. 20000 pc (65240 l.y.)

Coord 2000	18332+4010		Discov num	STT 356		Comp	BC		Coord arcsec 2000	18 33 12.43 +40 09 50.6
Date first	1892		Date last	2015		Obs	25
Pa first	47		Pa last	44.7		P.A. Now (θ)	44.7°
Sep first	45.5		Sep last	45.558		Sep. Now (ρ)	45.558"
Mag pri	9.23		Mag sec	10.90		delta mag (ΔM)	1.67		Spectral class	K0 (yellow-orange)
Pri motion ra	+004		Sec motion ra	-001
Pri motion dec	+004		Sec motion dec	+009
Notes	N (See Notes)

rPM=0.781

Nature of this double is uncertain.

18332+4010 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 171485	47587	18 33 15 +40 09 34	STT 356 AB	2019	53	302	28.3	7.30	9.23	1.93
Show		47587	18 33 15 +40 09 34	STT 356 AC	2015	25	9	48.1	7.30	10.90	3.60
Show			18 33 12 +40 09 51	STT 356 BC	2015	25	45	45.6	9.23	10.90	1.67		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Lyra		HIP	90951		Tycho2	3109-00080-1		Gaia DR2	2110262946017191424
BD	BD+40 3410		Distance	20000		Distance ly	65240