13311-4151 COO 155 AB (HD 117454)

13^h 31^m 08.62^s -41° 51' 12.2" P.A. 357.00 sep 10.2 mag 9.15,10.06 Sp A3IV

Coord 2000	13311-4151		Discov num	COO 155		Comp	AB		Coord arcsec 2000	13 31 08.62 -41 51 12.2
Date first	1898		Date last	2015		Obs	14
Pa first	357		Pa last	357.3		P.A. Now (θ)	357.3°
Sep first	10.7		Sep last	10.244		Sep. Now (ρ)	10.244"
Mag pri	9.15		Mag sec	10.06		delta mag (ΔM)	0.91		Spectral class	A3IV (white)
Pri motion ra	-019		Sec motion ra	-020
Pri motion dec	-017		Sec motion dec	-009
Notes

rPM=0.316

Nature of this double is uncertain.

13311-4151 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 117454	224211	13 31 09 -41 51 12	COO 155 AB	2015	14	357	10.2	9.15	10.06	0.91		<===
Show			13 31 09 -41 51 03	TP 9002 BC	2015	5	306	27.1	10.06	12.80	2.74

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 117454		Constellation	Centaurus		SAO	224211		Tycho2	7796-01553-1
Gaia DR2	6112882783234312704		HD	117454		DM	CP-41 6370