18015+0331 BU 1202 AB

18^h 01^m 32.36^s +03° 31' 27.4" P.A. 344.00 sep 0.7 mag 8.67,9.69 Sp A0 dist. 246.91 pc (805.42 l.y.)

Coord 2000	18015+0331		Discov num	BU 1202		Comp	AB		Coord arcsec 2000	18 01 32.36 +03 31 27.4
Date first	1890		Date last	2013		Obs	22
Pa first	353		Pa last	343.9		P.A. Now (θ)	343.9°
Sep first	0.7		Sep last	0.656		Sep. Now (ρ)	0.656"
Mag pri	8.67		Mag sec	9.69		delta mag (ΔM)	1.02		Spectral class	A0 (white)
Pri motion ra	+001		Sec motion ra	+001
Pri motion dec	-010		Sec motion dec	-010
Notes

Nature of this double is uncertain.

18015+0331 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		123031	18 01 32 +03 31 27	BU 1202 AB	2013	22	344	0.7	8.67	9.69	1.02		<===
Show	HD 164529	123031	18 01 32 +03 31 27	BU 1202 AB,C	2018	23	28	105.5	8.43	10.20	1.77
Show		123031	18 01 32 +03 31 27	BU 1202 AB,E	2018	27	138	90.4	8.43	7.95	0.48
Show			18 01 36 +03 33 01	BU 1202 CD	2000	9	110	2.8	10.20	12.10	1.90
Show			18 01 36 +03 33 01	BU 1202 CF	2011	4	163	17.4	10.20	13.80	3.60

Sextuple system
7 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Ophiuchus		SAO	123031		HIP	88271		Tycho2	0434-00976-1
Gaia DR2	4469478414306258432		HD	164529		ADS	10987		BD	BD+03 3564
Distance	246.91		Distance ly	805.42