17247+3802 COU 1142 AB (HD 157948)

17^h 24^m 42.41^s +38° 02' 10.5" P.A. 222.00 sep 1.8 mag 8.18,12.21 Sp G5 dist. 50.61 pc (165.09 l.y.)

Coord 2000	17247+3802		Discov num	COU1142		Comp	AB		Coord arcsec 2000	17 24 42.41 +38 02 10.5
Date first	1974		Date last	2018		Obs	21
Pa first	217		Pa last	221.7		P.A. Now (θ)	221.7°
Sep first	1.7		Sep last	1.818		Sep. Now (ρ)	1.818"
Mag pri	8.18		Mag sec	12.21		delta mag (ΔM)	4.03		Spectral class	G5 (yellow)
Pri motion ra	-081		Sec motion ra	-064
Pri motion dec	-194		Sec motion dec	-196
Notes	N (See Notes)

rPM=0.081 (< 0.3, Physical double)

This double is physical.

17247+3802 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		66024	17 24 42 +38 02 10	HSL 1 Aa,Ab	2018	33	226	0.0	8.28	8.58	0.30	Y
Show		66024	17 24 42 +38 02 10	HSL 1 Aa,Ac	2018	46	57	0.3	8.28	10.78	2.50	Y
Show	HD 157948	66024	17 24 42 +38 02 10	COU 1142 AB	2018	21	222	1.8	8.18	12.21	4.03		<===

Quadruple system
2 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 157948		Constellation	Hercules		SAO	66024		HIP	85209
Tycho2	3086-01992-1		Gaia DR2	1337526655053519616		HD	157948		BD	BD+38 2932
Distance	50.61		Distance ly	165.09