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22331+4946
ES 838 AC

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

22331+4946 ES 838 AC

22^h 33^m 06.39^s +49° 45' 50.7" P.A. 182.00 sep 18.9 mag 10.64,13.45 Sp A0III

Coord 2000	22331+4946		Discov num	ES 838		Comp	AC		Coord arcsec 2000	22 33 06.39 +49 45 50.7
Date first	1909		Date last	2015		Obs	9
Pa first	183		Pa last	181.7		P.A. Now (θ)	181.7°
Sep first	18.3		Sep last	18.896		Sep. Now (ρ)	18.896"
Mag pri	10.64		Mag sec	13.45		delta mag (ΔM)	2.81		Spectral class	A0III (white)
Pri motion ra	-004		Sec motion ra	+000
Pri motion dec	-002		Sec motion dec	+002
Notes	U (Proper motion indicates non-physical)

rPM=1.265

This double is not physical.

22331+4946 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			22 33 06 +49 45 51	ES 838 AB	2015	9	254	6.6	10.64	13.30	2.66
Show			22 33 06 +49 45 51	ES 838 AC	2015	9	182	18.9	10.64	13.45	2.81		<===
Show			22 33 06 +49 45 51	ABH 167 AD	2015	8	196	37.5	10.64	15.20	4.56
Show			22 33 06 +49 45 51	ABH 167 AE	2015	5	195	33.5	10.64	15.00	4.36
Show			22 33 06 +49 45 51	ABH 167 AF	2015	4	191	32.4	10.64	14.80	4.16
Show			22 33 06 +49 45 51	ABH 167 AG	2015	8	46	62.1	10.64	15.00	4.36
Show			22 33 06 +49 45 51	ABH 167 AH	2015	8	110	44.8	10.64	15.10	4.46
Show			22 33 06 +49 45 51	ABH 167 AI	2015	8	281	53.6	10.64	14.80	4.16
Show			22 33 06 +49 45 51	ABH 167 AJ	2015	8	293	73.8	10.64	15.70	5.06
Show			22 33 06 +49 45 51	ABH 167 AK	2015	8	275	62.5	10.64	14.20	3.56

11-fold system
11 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Lacerta

Tycho2

3628-00185-1

Gaia DR2

1988106040239178880