20052+4923 HJ 1481AC

Coord 2000	20052+4923		Discov num	HJ 1481		Comp	AC		Coord arcsec 2000	20 05 17.06 +49 23 55.3
Date first	1901		Date last	2015		Obs	16
Pa first	267		Pa last	272		P.A. Now (θ)	272°
Sep first	27.5		Sep last	27.4		Sep. Now (ρ)	27.4"
Mag pri	10.87		Mag sec	10.53		delta mag (ΔM)	0.34		Spectral class	K2III (yellow-orange)
Pri motion ra	-002		Sec motion ra	-002
Pri motion dec	-015		Sec motion dec	+006
Notes	U (Proper motion indicates non-physical)

rPM=1.388 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 05 17 +49 23 55	HJ 1481 AB	2015	18	6	18.1	10.87	10.76	0.11
Show			20 05 17 +49 23 55	HJ 1481 AC	2015	16	272	27.4	10.87	10.53	0.34		<===
Show			20 05 17 +49 23 55	ABH 128 AD	2015	8	104	118.5	10.87	14.17	3.30
Show			20 05 17 +49 23 55	ABH 128 AE	2015	8	104	104.9	10.87	14.10	3.23
Show			20 05 17 +49 23 55	ABH 128 AF	2015	8	38	78.2	10.87	15.13	4.26
Show			20 05 17 +49 23 55	ABH 128 AG	2015	8	318	81.1	10.87	15.50	4.63
Show			20 05 17 +49 23 55	ABH 128 AH	2015	8	256	100.8	10.87	15.20	4.33
Show			20 05 17 +49 23 55	ABH 128 AI	2015	8	250	103.4	10.87	15.20	4.33
Show			20 05 17 +49 24 13	ARN 9002 BC	2015	15	240	33.8	10.76	10.53	0.23

Ninefold system
9 visible stars in this system

Precise pa	272.3		Precise sep	27.387		Constellation	Cygnus		Tycho2	3567-00926-1
Gaia DR2	2087736323586080256

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20052+4923	HJ 1481	AC	2005	11	272	27.7	10.87	10.53	K1III	D	200517.06+492355.3
20052+4923	HJ 1481	AC	2009	12	272	27.7	10.87	10.53	K1III	D	200517.06+492355.3
20052+4923	HJ 1481	AC	2015	13	272	27.4	10.87	10.53	K2III	U	200517.06+492355.3

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