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Doubles in session

Current system

19428+3741
STU 11 AC

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.

19428+3741 STU 11 AC

19^h 42^m 48.56^s +37° 41' 12.5" P.A. 228.00 sep 146.0 mag 7.71,8.14 Sp K2

Coord 2000	19428+3741		Discov num	STU 11		Comp	AC		Coord arcsec 2000	19 42 48.56 +37 41 12.5
Date first	1896		Date last	2013		Obs	14
Pa first	227		Pa last	228		P.A. Now (θ)	228°
Sep first	158.0		Sep last	146		Sep. Now (ρ)	146"
Mag pri	7.71		Mag sec	8.14		delta mag (ΔM)	0.43		Spectral class	K2 (yellow-orange)
Pri motion ra	-011		Sec motion ra	+042
Pri motion dec	+007		Sec motion dec	+095
Notes	N (See Notes)

rPM=0.989

This double is not physical.

19428+3741 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 186429	68737	19 42 49 +37 41 12	STTA 188 AB	2017	32	121	61.1	7.71	7.98	0.27
Show		68737	19 42 49 +37 41 12	STU 11 AC	2013	14	228	146.0	7.71	8.14	0.43		<===
Show		68737	19 42 49 +37 41 12	STU 11 AE	2015	10	196	101.4	7.71	11.39	3.68
Show		68737	19 42 49 +37 41 12	STU 11 AF	2015	7	191	46.2	7.71	12.32	4.61
Show		68737	19 42 49 +37 41 12	STTA 188 AG	2015	3	120	29.8	7.71	13.50	5.79
Show		68739	19 42 53 +37 40 42	STU 11 BD	2015	19	173	60.4	7.98	9.64	1.66
Show		68739	19 42 53 +37 40 42	STTA 188 BG	2015	7	302	30.8	7.98	13.50	5.52

Septuple system
7 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Cygnus		SAO	68737		Tycho2	3136-00664-1		Gaia DR2	2049034102716764800
HD	186411		DM	BD+37 3577