22375+3923 KIR 5 AC

Coord 2000	22375+3923		Discov num	KIR   5		Comp	AC		Coord arcsec 2000	22 37 29.90 +39 22 50.7
Date first	1998		Date last	2015		Obs	3
Pa first	111		Pa last	111.5		P.A. Now (θ)	111.5°
Sep first	33.4		Sep last	33.329		Sep. Now (ρ)	33.329"
Mag pri	6.60		Mag sec	13.40		delta mag (ΔM)	6.8		Spectral class	M0V (red)
Pri motion ra	+022		Sec motion ra	-033
Pri motion dec	-341		Sec motion dec	-344
Notes	N V K (See Notes, Proper motion indicates 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 rPM=0.159 (< 0.3, Physical double) This double is physical.

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name

SAO

coord

wds_name

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

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22 37 30 +39 22 51

HDS 3211 AB

2016

28

11

0.3

10.04

10.47

0.43

Y

Show

22 37 30 +39 22 51

KIR 5 AC

2015

3

112

33.3

6.60

13.40

6.80

<===

Triple system
3 estimated visually detectable stars in this system

Constellation	Lacerta		HIP	111685		Gaia DR2	1908305169922494208		GL	NN 4287
BD	BD+38 4818		Distance	19.54		Distance ly	63.74

discov_num	notes	refcode
HDS3211	A is also a 6177d spectroscopic binary.	Tok2019b
	Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
	masses of 0.95 +/- 0.10, 1.19, and 1.00 Msun, respectively.	Mlk2012
KIR 5	AC: Data from 2MASS. Kirkpatrick et al. (2001) derive spectral types	Kir2001b
	M0V+M0V and M9.5V, conclude the C component is a CPM pair with
	separation 635 au.

refcode	metd	author	reference
Kir2001b	E2 -	Kirkpatrick, J.D., Liebert, J., Cruz, K.L., Gizis, J.E., & Reid, I.N.	2001PASP..113..814K
Kir2001b	+Ci	PASP 113, 814, 2001
Kir2001b		(data to derive position angle for G216-7 extracted from ALADIN and 2MASS data)
Mlk2012	not -	Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A.	2012A&A...546A..69M
Mlk2012		A&A 546, A69, 2012
Tok2019b	not j	Sperauskas, J., Deveilkis, V. & Tokovinin, A.	2019A&A...626A..31S
Tok2019b		A&A 626 A31, 2019

idgroup	discov	author
1	HDS	Hipparcos Double Star (from additional DD list)

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
22375+3923	KIR 5	AC	1998	1	111	33.4	6.60	13.40		N DV	223729.87+392254.4
22375+3923	KIR 5	AC	2015	2	112	33.3	6.60	13.40	K7	NV K	223729.90+392250.7

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS