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Doubles in session

Current system

02543+5246
BU 1376 BC

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.

02543+5246 BU 1376 BC

02^h 54^m 20.83^s +52° 45' 29.9" P.A. 86.00 sep 4.2 mag 12.28,12.70

Coord 2000	02543+5246		Discov num	BU 1376		Comp	BC		Coord arcsec 2000	02 54 20.83 +52 45 29.9
Date first	1878		Date last	2009		Obs	7
Pa first	75		Pa last	86.4		P.A. Now (θ)	86.4°
Sep first	4.0		Sep last	4.17		Sep. Now (ρ)	4.17"
Mag pri	12.28		Mag sec	12.70		delta mag (ΔM)	0.42		Spectral class
Pri motion ra	+002		Sec motion ra
Pri motion dec	-001		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

02543+5246 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		23685	02 54 15 +52 45 45	LAB 1 Aa,Ab	2010	13	277	0.1	4.20	5.90	1.70	Y
Show	Tau Per	23685	02 54 15 +52 45 45	EDG 1 AB	2015	9	107	51.0	3.95	12.28	8.33
Show		23685	02 54 15 +52 45 45	BU 1376 AC	2014	5	107	50.9	3.95	12.70	8.75
Show		23685	02 54 15 +52 45 45	BU 1376 AD	2015	4	338	41.9	3.95	11.50	7.55
Show			02 54 21 +52 45 30	BU 1376 BC	2009	7	86	4.2	12.28	12.70	0.42		<===

Quintuple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Perseus

Gaia DR2

441161624558408832