18409-1430 BU 967 AC

18^h 40^m 54.59^s -14° 30' 20.5" P.A. 53.00 sep 39.0 mag 8.69,12.73 Sp K0/1III

Coord 2000	18409-1430		Discov num	BU 967		Comp	AC		Coord arcsec 2000	18 40 54.59 -14 30 20.5
Date first	1913		Date last	2015		Obs	4
Pa first	54		Pa last	53		P.A. Now (θ)	53°
Sep first	38.8		Sep last	39.004		Sep. Now (ρ)	39.004"
Mag pri	8.69		Mag sec	12.73		delta mag (ΔM)	4.04		Spectral class	K0/1III (yellow-orange)
Pri motion ra	+003		Sec motion ra	+014
Pri motion dec	+006		Sec motion dec	+003
Notes

rPM=0.796

Nature of this double is uncertain.

18409-1430 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 172475	161716	18 40 55 -14 30 20	BU 967 AB	1962	7	195	2.4	8.20	11.50	3.30
Show		161716	18 40 55 -14 30 20	BU 967 AC	2015	4	53	39.0	8.69	12.73	4.04		<===
Show		161716	18 40 55 -14 30 20	DAM 13 AD	2015	4	66	55.5	8.34	11.50	3.16

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Scutum		SAO	161716		Tycho2	5704-00489-1		Gaia DR2	4103567683453431296
HD	172475