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22139+3943
BNU 8 Aa,Ab

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

22139+3943 BNU 8 Aa,Ab

22^h 13^m 52.73^s +39° 42' 53.7" P.A. 170.00 sep 0.2 mag 4.69, Sp K3III dist. 147.93 pc (482.55 l.y.)

Coord 2000	22139+3943		Discov num	BNU 8		Comp	Aa,Ab		Coord arcsec 2000	22 13 52.73 +39 42 53.7
Date first	1982		Date last	2005		Obs	3
Pa first	53		Pa last	170.3		P.A. Now (θ)	170.3°
Sep first	0.2		Sep last	0.194		Sep. Now (ρ)	0.194"
Mag pri	4.69		Mag sec			delta mag (ΔM)			Spectral class	K3III (yellow-orange)
Pri motion ra	+039		Sec motion ra
Pri motion dec	+019		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

22139+3943 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		72155	22 13 53 +39 42 54	BNU 8 Aa,Ab	2005	3	170	0.2	4.69				<===
Show		72155	22 13 53 +39 42 54	MCA 70 Aa,Ac	2018	25	43	0.2	4.69	8.15	3.46	Y
Show	NSV14076	72155	22 13 53 +39 42 54	HJ 1746 AB	2015	14	190	30.5	4.65	10.60	5.95
Show		72155	22 13 53 +39 42 54	HJ 1746 AC	2015	9	192	72.5	4.65	12.32	7.67
Show		72155	22 13 53 +39 42 54	WAL 141 AD	2015	8	71	194.6	4.65	10.67	6.02
Show		72155	22 13 53 +39 42 54	FYM 122 AE	2015	5	321	37.7	4.65	13.40	8.75
Show		72155	22 13 53 +39 42 54	FYM 122 AF	2015	4	247	36.8	4.65	13.70	9.05
Show		72155	22 13 53 +39 42 54	FYM 122 AG	2015	4	213	81.8	4.65	15.30	10.65
Show		72155	22 13 53 +39 42 54	FYM 122 AH	2015	4	224	68.2	4.65	14.70	10.05
Show		72155	22 13 53 +39 42 54	FYM 122 AI	2015	3	303	46.5	4.65	14.70	10.05

11-fold system
9 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	NSV14076		Constellation	Lacerta		SAO	72155		HIP	109754
Tycho2	3203-02402-1		Gaia DR2	1955662200880678272		HD	211073		HR	8485
ADS	15758		BD	BD+38 4711		FK5	1583		Distance	147.93
Distance ly	482.55