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Doubles in session

Current system

23460+4625
MCA 75 Aa,Ab

Selections

Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

23460+4625 MCA 75 Aa,Ab

23^h 46^m 02.04^s +46° 25' 13.0" P.A. 164.00 sep 0.2 mag 5.21, Sp G5Ib dist. 307.69 pc (1003.68 l.y.)

Coord 2000	23460+4625		Discov num	MCA 75		Comp	Aa,Ab		Coord arcsec 2000	23 46 02.04 +46 25 13.0
Date first	1977		Date last	2003		Obs	4
Pa first	284		Pa last	164.3		P.A. Now (θ)	164.3°
Sep first	0.3		Sep last	0.226		Sep. Now (ρ)	0.226"
Mag pri	5.21		Mag sec			delta mag (ΔM)			Spectral class	G5Ib (yellow)
Pri motion ra	+011		Sec motion ra
Pri motion dec	-009		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

23460+4625 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		53355	23 46 02 +46 25 13	MCA 75 Aa,Ab	2003	4	164	0.2	5.21				<===
Show		53355	23 46 02 +46 25 13	MCA 75 Aa,Ac	2018	44	275	0.4	5.21	8.11	2.90
Show		53355	23 46 02 +46 25 13	BU 1532 AB	2015	3	218	24.8	5.09	14.60	9.51
Show		53355	23 46 02 +46 25 13	BU 1532 AC	2015	4	16	61.9	5.09	13.10	8.01
Show	Psi And	53355	23 46 02 +46 25 13	BU 1532 AD	2015	12	152	186.9	5.09	9.46	4.37
Show		53355	23 46 02 +46 25 13	ARN 27 AE	2015	10	318	240.6	5.09	10.38	5.29

Septuple system
5 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Andromeda		SAO	53355		HIP	117221		Tycho2	3638-02516-1
Gaia DR2	1938979585833226112		HD	223047		HR	9003		GC	32988
BD	BD+45 4321		Bayer	Psi Andromedae		Bayer name	Psi And		Flamsteed	20 Andromedae
Flamsteed name	20 And		FK5	1622		Distance	307.69		Distance ly	1003.68
Bayer greek	ψ And