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Doubles in session

Current system

19220+2230
BU 141 AF

Selections

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Binocular doubles
Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19220+2230 BU 141 AF

19^h 21^m 57.26^s +22° 30' 23.2" P.A. 214.00 sep 49.6 mag 7.61,12.60 Sp B4V dist. 260.42 pc (849.49 l.y.)

Coord 2000	19220+2230		Discov num	BU 141		Comp	AF		Coord arcsec 2000	19 21 57.26 +22 30 23.2
Date first	1898		Date last	2013		Obs	5
Pa first	214		Pa last	213.5		P.A. Now (θ)	213.5°
Sep first	50.2		Sep last	49.56		Sep. Now (ρ)	49.56"
Mag pri	7.61		Mag sec	12.60		delta mag (ΔM)	4.99		Spectral class	B4V (blue-white)
Pri motion ra	+000		Sec motion ra
Pri motion dec	-005		Sec motion dec
Notes

Nature of this double is uncertain.

19220+2230 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 182032	87120	19 21 57 +22 30 23	BU 141 AB	2015	43	84	0.9	7.61	9.21	1.60
Show		87120	19 21 57 +22 30 23	HJ 2867 AC	2013	12	328	28.3	7.61	11.70	4.09
Show		87120	19 21 57 +22 30 23	BU 141 AB,D	2013	4	322	24.4	7.61	12.90	5.29
Show		87120	19 21 57 +22 30 23	BU 141 AE	2013	14	90	50.7	7.61	10.90	3.29
Show		87120	19 21 57 +22 30 23	BU 141 AF	2013	5	214	49.6	7.61	12.60	4.99		<===
Show		87120	19 21 57 +22 30 23	BU 141 AG	2013	4	240	21.7	7.61	15.30	7.69
Show			19 21 56 +22 30 47	BU 141 CD	2015	10	180	4.9	11.70	12.90	1.20

Septuple system
8 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Vulpecula		SAO	87120		HIP	95197		Tycho2	2124-00936-1
Gaia DR2	2019155041722073216		HD	182032		BD	BD+22 3674		Distance	260.42
Distance ly	849.49