22159+5440 HLA 31 AV

Coord 2000	22159+5440		Discov num	HLA  31		Comp	AV		Coord arcsec 2000	22 15 54.13 +54 40 22.4
Date first	2016		Date last	2016		Obs	1
Pa first	104		Pa last	104		P.A. Now (θ)	104°
Sep first	9.5		Sep last	9.54		Sep. Now (ρ)	9.54"
Mag pri	5.90		Mag sec			delta mag (ΔM)			Spectral class	K1V (yellow-orange)
Pri motion ra	+214		Sec motion ra
Pri motion dec	+070		Sec motion dec
Notes	N U K (See Notes, Proper motion indicates non-physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	V447 Lac	34243	22 15 54 +54 40 22	BU 377 AB	2012	20	58	32.4	7.52	10.37	2.85
Show		34243	22 15 54 +54 40 22	BU 377 AC	2012	8	46	30.3	7.52	11.40	3.88
Show		34243	22 15 54 +54 40 22	BU 377 AD	2006	6	158	22.2	7.52	12.80	5.28
Show		34243	22 15 54 +54 40 22	BU 377 AQ	2012	5	258	59.8	7.52	14.06	6.54
Show		34243	22 15 54 +54 40 22	BU 377 AR	2003	3	257	63.4	7.52	13.80	6.28
Show		34243	22 15 54 +54 40 22	BU 377 AS	2015	6	334	55.5	7.52	12.62	5.10
Show		34243	22 15 54 +54 40 22	GIC 177 AT	2016	7	107	76.9	7.49	14.03	6.54
Show		34243	22 15 54 +54 40 22	HLA 31 AU	2016	1	248	8.9	5.90
Show		34243	22 15 54 +54 40 22	HLA 31 AV	2016	1	104	9.5	5.90				<===
Show			22 15 58 +54 40 41	BU 377 BC	2015	18	303	6.7	10.37	11.40	1.03
Show			22 15 48 +54 40 12	BU 377 QR	2015	7	233	6.8	12.80	13.80	1.00

Decuple system
10 estimated visually detectable stars in this system

Var name	V447 Lac		Constellation	Lacerta		SAO	34243		HIP	109926
Tycho2	3986-02960-1		HD	211472		GL	NN 4268A		BD	BD+53 2831
Distance	21.54		Distance ly	70.26