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13123-5955
HDO 223 AB,D

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

13123-5955 HDO 223 AB,D

13^h 12^m 17.63^s -59° 55' 13.9" P.A. 259.00 sep 46.6 mag 4.55,11.98 Sp B8V dist. 116.14 pc (378.85 l.y.)

Coord 2000	13123-5955		Discov num	HDO 223		Comp	AB,D		Coord arcsec 2000	13 12 17.63 -59 55 13.9
Date first	1891		Date last	2015		Obs	7
Pa first	260		Pa last	258.5		P.A. Now (θ)	258.5°
Sep first	30.0		Sep last	46.56		Sep. Now (ρ)	46.56"
Mag pri	4.55		Mag sec	11.98		delta mag (ΔM)	7.43		Spectral class	B8V (blue-white)
Pri motion ra	-030		Sec motion ra	-003
Pri motion dec	-017		Sec motion dec	-001
Notes	N (See Notes)

rPM=0.91

This double is not physical.

13123-5955 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		240645	13 12 18 -59 55 14	SEE 170 AB	2021	50	254	0.0	5.30	6.00	0.70	Y
Show	V831 Cen	240645	13 12 18 -59 55 14	I 424 AB,C	2021	35	15	1.9	4.55	8.40	3.85
Show		240645	13 12 18 -59 55 14	HDO 223 AB,D	2015	7	259	46.6	4.55	11.98	7.43		<===
Show		240645	13 12 18 -59 55 14	I 424 AB,E	2015	4	24	53.8	4.55	14.90	10.35

Quintuple system
6 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	V831 Cen		Constellation	Centaurus		SAO	240645		HIP	64425
Tycho2	8661-02284-1		Gaia DR2	6061917808001384192		HD	114529		HR	4975
CP	CP-59 4815		Distance	116.14		Distance ly	378.85