22019+5506 ABH 157AD

Coord 2000	22019+5506		Discov num	ABH 157		Comp	AD		Coord arcsec 2000	22 01 57.00 +55 05 34.0
Date first	1987		Date last	2015		Obs	7
Pa first	270		Pa last	269		P.A. Now (θ)	269°
Sep first	11.7		Sep last	11.6		Sep. Now (ρ)	11.6"
Mag pri	11.16		Mag sec	14.60		delta mag (ΔM)	3.44		Spectral class	A1V (white)
Pri motion ra	-004		Sec motion ra
Pri motion dec	-003		Sec motion dec
Notes	N U (See Notes, Proper motion indicates non-physical)

This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			22 01 57 +55 05 34	HJ 1718 AB	2015	13	219	9.3	11.16	12.24	1.08
Show			22 01 57 +55 05 34	HJ 1718 AC	2015	9	268	16.6	11.16	12.25	1.09
Show			22 01 57 +55 05 34	ABH 157 AD	2015	7	269	11.6	11.16	14.60	3.44		<===
Show			22 01 57 +55 05 34	ABH 157 AE	2014	8	144	31.1	11.16	12.90	1.74
Show			22 01 57 +55 05 34	ABH 157 AF	2015	8	96	14.7	11.16	15.76	4.60
Show			22 01 57 +55 05 34	ABH 157 AG	2015	8	348	38.7	11.16	14.63	3.47
Show			22 01 57 +55 05 34	ABH 157 AH	2015	8	322	32.8	11.16	14.29	3.13
Show			22 01 57 +55 05 34	ABH 157 AI	2015	8	281	30.8	11.16	14.56	3.40
Show			22 01 57 +55 05 34	ABH 157 AJ	2015	8	239	47.9	11.16	13.88	2.72
Show			22 01 57 +55 05 34	ABH 157 AK	2015	8	226	40.7	11.16	13.80	2.64
Show			22 01 57 +55 05 34	ABH 157 AL	2015	8	146	66.5	11.16	15.59	4.43
Show			22 01 57 +55 05 34	ABH 157 AM	2015	8	282	68.5	11.16	14.26	3.10
Show			22 01 56 +55 05 27	HJ 1718 BC	2015	10	301	12.6	12.24	12.25	0.01
Show			22 01 55 +55 05 33	HJ 1718 CD	2018	7	84	5.0	12.25	14.60	2.35

13-fold system
13 visible stars in this system

Precise pa	269.3		Precise sep	11.571		Constellation	Cygnus		Tycho2	3973-01501-1
Gaia DR2	2197814449907564032

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
22019+5506	ABH 157	AD	1987	1	270	11.7	11.16	14.20	A1V		220157.00+550533.8
22019+5506	ABH 157	AD	2008	2	270	11.7	11.16	14.20	A1V		220157.00+550533.8
22019+5506	ABH 157	AD	2015	4	269	11.6	11.16	14.60	A1V	NU	220157.00+550534.0

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