19579-0904 BU 1475 CD

19^h 58^m 00.46^s -09° 04' 26.7" P.A. 163.00 sep 4.9 mag 8.70,11.10 Sp K0

Coord 2000	19579-0904		Discov num	BU 1475		Comp	CD		Coord arcsec 2000	19 58 00.46 -09 04 26.7
Date first	1906		Date last	2015		Obs	9
Pa first	158		Pa last	162.7		P.A. Now (θ)	162.7°
Sep first	5.5		Sep last	4.867		Sep. Now (ρ)	4.867"
Mag pri	8.70		Mag sec	11.10		delta mag (ΔM)	2.4		Spectral class	K0 (yellow-orange)
Pri motion ra	+002		Sec motion ra	-001
Pri motion dec	+025		Sec motion dec	-007
Notes

rPM=1.282

This double is not physical.

19579-0904 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 188938	143951	19 57 54 -09 03 30	BU 1475 AB	2015	19	113	10.4	7.77	9.47	1.70
Show		143951	19 57 54 -09 03 30	HDO 155 AC	2015	20	119	115.1	7.77	8.70	0.93
Show		143953	19 58 00 -09 04 27	BU 1475 CD	2015	9	163	4.9	8.70	11.10	2.40		<===

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Aquila		SAO	143953		Tycho2	5738-01272-1		Gaia DR2	4192181792241411456
HD	188958