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Current system

19341+0723
BU 653 AD
Mu Aql

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

19341+0723 BU 653 AD (Mu Aql)

19^h 34^m 05.35^s +07° 22' 44.2" P.A. 334.00 sep 86.0 mag 4.58,12.05 Sp K3-IIIb dist. 32.99 pc (107.61 l.y.)

Coord 2000	19341+0723		Discov num	BU 653		Comp	AD		Coord arcsec 2000	19 34 05.35 +07 22 44.2
Date first	1887		Date last	2008		Obs	15
Pa first	350		Pa last	333.7		P.A. Now (θ)	333.7°
Sep first	59.6		Sep last	86.03		Sep. Now (ρ)	86.03"
Mag pri	4.58		Mag sec	12.05		delta mag (ΔM)	7.47		Spectral class	K3-IIIb (yellow-orange)
Pri motion ra	+214		Sec motion ra	-007
Pri motion dec	-157		Sec motion dec	-002
Notes	N L (See Notes, Linear solution)

rPM=1.017

This double is not physical.

19341+0723 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		124799	19 34 05 +07 22 44	BU 653 AB	2008	13	289	56.2	4.58	13.10	8.52
Show		124799	19 34 05 +07 22 44	BU 653 AC	2008	12	299	55.8	4.58	12.79	8.21
Show	Mu Aql	124799	19 34 05 +07 22 44	BU 653 AD	2008	15	334	86.0	4.58	12.05	7.47		<===
Show		124799	19 34 05 +07 22 44	BU 653 AE	2012	18	62	165.9	4.58	9.55	4.97
Show		124799	19 34 05 +07 22 44	BU 653 AF	2008	6	2	46.5	4.58	13.00	8.42
Show			19 34 02 +07 23 01	BU 653 BC	2015	16	27	10.3	13.10	12.79	0.31

Sextuple system
6 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	Mu Aql		Var name	NSV12155 Aql		Constellation	Aquila		SAO	124799
HIP	96229		Tycho2	0490-05566-1		Gaia DR2	4295095221644093568		HD	184406
HR	7429		GC	27030		ADS	12607		GL	Wo 9661
BD	BD+07 4132		Bayer	Mu Aquilae		Bayer name	Mu Aql		Flamsteed	38 Aquilae
Flamsteed name	38 Aql		FK5	1511		Distance	32.99		Distance ly	107.61
Bayer greek	μ Aql