23100+4758 MET 95 EK

Coord 2000	23100+4758		Discov num	MET  95		Comp	EK		Coord arcsec 2000	23 09 57.36 +47 57 29.9
Date first	2003		Date last	2003		Obs	1
Pa first	33		Pa last	33.3		P.A. Now (θ)	33.3°
Sep first	5.5		Sep last	5.508		Sep. Now (ρ)	5.508"
Mag pri	5.70		Mag sec	19.40		delta mag (ΔM)	13.7		Spectral class	dK2
Pri motion ra	+147		Sec motion ra
Pri motion dec	+012		Sec motion dec
Notes	N U W 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	HD 218739	52754	23 09 59 +47 57 34	STF 2985 DE	2020	81	257	15.6	7.21	8.02	0.81
Show		52754	23 09 59 +47 57 34	MET 95 DF	2003	1	222	7.1	5.70	13.10	7.40
Show		52754	23 09 59 +47 57 34	MET 95 DG	2003	1	288	9.5	5.70	18.80	13.10
Show		52754	23 09 59 +47 57 34	MET 95 DH	2003	1	239	12.1	5.70	18.50	12.80
Show			23 09 57 +47 57 30	MET 95 EF	2003	2	98	10.6	5.70	13.10	7.40
Show			23 09 57 +47 57 30	MET 95 EG	2003	1	42	9.2	5.70	18.80	13.10
Show			23 09 57 +47 57 30	MET 95 EH	2003	1	121	5.3	5.70	18.50	12.80
Show			23 09 57 +47 57 30	MET 95 EI	2004	1	224	2.1	5.70	16.60	10.90
Show			23 09 57 +47 57 30	MET 95 EJ	2003	1	182	4.1	5.70	15.80	10.10
Show			23 09 57 +47 57 30	MET 95 EK	2003	1	33	5.5	5.70	19.40	13.70		<===
Show			23 09 57 +47 57 30	MET 95 EL	2003	1	38	6.0	5.70	18.30	12.60

Ninefold system
9 estimated visually detectable stars in this system

Constellation

Andromeda

discov_num	notes	refcode
STF2985	B is BD+47@4058. AB has a period of ~6300y.	Tok2006
	HJL 314.	HJL1986
	AB: B is KZ And, var. of BY Dra type. B is SB2, P=3.033d	Tok2014d

refcode	metd	author	reference
HJL1986	Pa -	Halbwachs, J.L.	1986A&AS...66..131H
HJL1986		A&AS 66, 131, 1986
HJL1986		(Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986		only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
Tok2006	A j	Tokovinin, A., Thomas, S., Sterzik, M., & Udry, S.	2006A&A...450..681T
Tok2006	+E2	A&A 450, 681, 2006
Tok2014d	E2 -	Tokovinin, A.	2014AJ....147...86T
Tok2014d		AJ 147, 86, 2014

idgroup	discov	author
1	MET	Metchev, S.A., Hillenbrand, L.A., & White, R.J.
13	STF	Struve, F.G.W.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
23100+4758	MET 95	EK	2003	1	33	5.5	5.70	19.40	dK2	NUWK	230957.36+475729.9

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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

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