20157-1849 HJ 2940AC

Coord 2000	20157-1849		Discov num	HJ 2940		Comp	AC		Coord arcsec 2000	20 15 42.64 -18 49 00.7
Date first	1830		Date last	2017		Obs	11
Pa first	86		Pa last	77		P.A. Now (θ)	77°
Sep first	25.0		Sep last	20.6		Sep. Now (ρ)	20.6"
Mag pri	11.42		Mag sec	11.70		delta mag (ΔM)	0.28		Spectral class	F4V (yellow-white)
Pri motion ra	+002		Sec motion ra	-001
Pri motion dec	-027		Sec motion dec	-007
Notes	U (Proper motion indicates non-physical)

rPM=0.747 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 15 43 -18 49 01	HJ 2940 AB	2015	6	101	35.3	11.42	12.80	1.38
Show			20 15 43 -18 49 01	HJ 2940 AC	2017	11	77	20.6	11.42	11.70	0.28		<===
Show			20 15 43 -18 49 01	ABH 134 AD	2015	4	103	70.6	11.42	14.58	3.16
Show			20 15 43 -18 49 01	ABH 134 AE	2015	5	252	84.5	11.42	12.86	1.44

Quintuple system
5 visible stars in this system

Precise pa	77		Precise sep	20.578		Constellation	Capricornus		Tycho2	6323-00425-1
Gaia DR2	6872552512374322432

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20157-1849	HJ 2940	AC	1998	6	77	20.7	11.42	11.51	F4V	D	201542.64-184900.7
20157-1849	HJ 2940	AC	1999	7	77	20.7	11.42	11.51	F4V	UD	201542.64-184900.7
20157-1849	HJ 2940	AC	2016	9	77	20.8	11.42	11.70	F4V	U	201542.64-184900.7
20157-1849	HJ 2940	AC	2017	10	77	20.6	11.42	11.70	F4V	U	201542.64-184900.7

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