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17190-3459
SEE 509 AD

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17190-3459 SEE 509 AD

17^h 18^m 57.16^s -34° 59' 23.1" P.A. 285.00 sep 92.0 mag 6.37,12.45 Sp K3V dist. 6.84 pc (22.31 l.y.)

Coord 2000	17190-3459		Discov num	SEE 509		Comp	AD		Coord arcsec 2000	17 18 57.16 -34 59 23.1
Date first	1897		Date last	2022		Obs	28
Pa first	86		Pa last	284.7		P.A. Now (θ)	284.7°
Sep first	55.4		Sep last	91.99		Sep. Now (ρ)	91.99"
Mag pri	6.37		Mag sec	12.45		delta mag (ΔM)	6.08		Spectral class	K3V (yellow-orange)
Pri motion ra	+116		Sec motion ra	-000
Pri motion dec	-017		Sec motion dec	-001
Notes	N L P (See Notes, Linear solution, 100-year proper motion)

rPM=0.999

This double is not physical.

17190-3459 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	NSV8482	208670	17 18 57 -34 59 23	MLO 4 AB	2021	269	323	1.3	6.37	7.38	1.01	Y
Show		208670	17 18 57 -34 59 23	HJ 4935 AC	2022	66	142	32.6	6.37	10.27	3.90	Y
Show		208670	17 18 57 -34 59 23	SEE 509 AD	2022	28	285	92.0	6.37	12.45	6.08		<===
Show			17 18 56 -34 59 22	HJ 4935 BC	2002	45	136	31.4	7.38	10.27	2.89
Show			17 18 56 -34 59 22	SEE 509 BD	1959	26	312	20.3	7.38	12.45	5.07
Show			17 18 59 -34 59 48	SEE 509 CD	2022	33	294	119.7	10.27	12.45	2.18

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	NSV8482		Constellation	Scorpius		SAO	208670		HIP	84709
Tycho2	7370-00850-1		HD	156384		HR	6426		GL	Gl 667A
CD	CD-3411626		CP	CP-34 6803		Distance	6.84		Distance ly	22.31