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Doubles in session

Current system

21460+1053
BU 1305 AG

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.

21460+1053 BU 1305 AG

21^h 45^m 57.79^s +10° 52' 31.3" P.A. 297.00 sep 98.7 mag 9.81,13.47 Sp K0

Coord 2000	21460+1053		Discov num	BU 1305		Comp	AG		Coord arcsec 2000	21 45 57.79 +10 52 31.3
Date first	1918		Date last	2015		Obs	8
Pa first	296		Pa last	296.6		P.A. Now (θ)	296.6°
Sep first	100.9		Sep last	98.653		Sep. Now (ρ)	98.653"
Mag pri	9.81		Mag sec	13.47		delta mag (ΔM)	3.66		Spectral class	K0 (yellow-orange)
Pri motion ra	-009		Sec motion ra	+002
Pri motion dec	-020		Sec motion dec	-007
Notes

rPM=0.776

Nature of this double is uncertain.

21460+1053 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 45 58 +10 52 31	BU 1305 A,BC	2015	13	90	89.2	9.81	10.92	1.11
Show			21 45 58 +10 52 31	BU 1305 AD	2015	8	47	49.2	9.81	13.51	3.70
Show			21 45 58 +10 52 31	BU 1305 AE	2015	9	66	81.8	9.81	12.95	3.14
Show			21 45 58 +10 52 31	BU 1305 AF	2015	8	235	42.8	9.81	13.83	4.02
Show			21 45 58 +10 52 31	BU 1305 AG	2015	8	297	98.7	9.81	13.47	3.66		<===
Show			21 46 04 +10 52 30	BU 1305 BC	2012	9	52	1.3	9.90	10.50	0.60

Septuple system
8 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Pegasus

Tycho2

1125-01972-1

Gaia DR2

1765647036613068288