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18359+1659
RED 25 AB,E

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

18359+1659 RED 25 AB,E

18^h 35^m 53.22^s +16° 58' 32.5" P.A. 349.00 sep 34.6 mag 6.74,12.60 Sp G0V+M3.5V dist. 32.88 pc (107.25 l.y.)

Coord 2000	18359+1659		Discov num	RED 25		Comp	AB,E		Coord arcsec 2000	18 35 53.22 +16 58 32.5
Date first	1953		Date last	2016		Obs	6
Pa first	348		Pa last	348.6		P.A. Now (θ)	348.6°
Sep first	34.4		Sep last	34.62		Sep. Now (ρ)	34.62"
Mag pri	6.74		Mag sec	12.60		delta mag (ΔM)	5.86		Spectral class	G0V+M3.5V (yellow/red)
Pri motion ra	+049		Sec motion ra	+080
Pri motion dec	-071		Sec motion dec	-070
Notes	N Z (See Notes, Parallax indicates components are physical)

rPM=0.292 (< 0.3, Physical double)

This double is physical.

18359+1659 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		103886	18 35 53 +16 58 32	STT 358 AB	2019	497	146	1.7	6.94	7.08	0.14	Y
Show	NSV11085	103886	18 35 53 +16 58 32	STT 358 AB,C	2012	12	235	198.7	6.74	8.50	1.76
Show		103886	18 35 53 +16 58 32	SLE 214 AB,D	2010	5	224	134.6	6.74	13.43	6.69
Show		103886	18 35 53 +16 58 32	RED 25 AB,E	2016	6	349	34.6	6.74	12.60	5.86		<===
Show			18 35 42 +16 56 38	SLE 214 CD	2015	8	77	72.0	8.50	13.43	4.93

Quintuple system
6 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	NSV11085		Constellation	Hercules		SAO	103886		HIP	91159
Tycho2	1574-01664-1		Gaia DR2	4511848202261111424		HD	171746		HR	6981
ADS	11483		BD	BD+16 3560		Distance	32.88		Distance ly	107.25