20157-1849 HJ 2940AB

Coord 2000	20157-1849		Discov num	HJ 2940		Comp	AB		Coord arcsec 2000	20 15 42.64 -18 49 00.7
Date first	1830		Date last	2015		Obs	6
Pa first	141		Pa last	101		P.A. Now (θ)	101°
Sep first	12.0		Sep last	35.3		Sep. Now (ρ)	35.3"
Mag pri	11.42		Mag sec	12.80		delta mag (ΔM)	1.38		Spectral class	F4V (yellow-white)
Pri motion ra	+002		Sec motion ra	+014
Pri motion dec	-027		Sec motion dec	-006
Notes	U (Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=0.893 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20157-1849	HJ 2940	AB	1830	2015	6	101	35.3	11.42	12.80	1.38		<===
Show			20157-1849	HJ 2940	AC	1830	2017	11	77	20.6	11.42	11.70	0.28
Show			20157-1849	ABH 134	AD	1987	2015	4	103	70.6	11.42	14.58	3.16
Show			20157-1849	ABH 134	AE	1987	2015	5	252	84.5	11.42	12.86	1.44

Quintuple system
5 visible stars in this system

Precise pa	101.2		Precise sep	35.326		Constellation	Capricornus		Tycho2	6323-00425-1
Gaia DR2	12374322432

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20157-1849	HJ 2940	AB	1998	3	102	35.2	11.42	12.80	F4V	D	201542.64-184900.7
20157-1849	HJ 2940	AB	1999	4	102	35.2	11.42	12.80	F4V	UD	201542.64-184900.7
20157-1849	HJ 2940	AB	2015	6	101	35.3	11.42	12.80	F4V	U	201542.64-184900.7

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