20192-5433 HU 1531

Coord 2000	20192-5433		Discov num	HU 1531		Comp			Coord arcsec 2000	20 19 14.29 -54 32 41.0
Date first	1911		Date last	2015		Obs	11
Pa first	0		Pa last	5		P.A. Now (θ)	5°
Sep first	2.0		Sep last	1.7		Sep. Now (ρ)	1.7"
Mag pri	10.15		Mag sec	10.27		delta mag (ΔM)	0.12		Spectral class	G3/5V (yellow)
Pri motion ra	+167		Sec motion ra	+167
Pri motion dec	-089		Sec motion dec	-089
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		246527	20 19 14 -54 32 41	HU 1531	2015	11	5	1.7	10.15	10.27	0.12		<===
Show		246527	20 19 14 -54 32 42	NSN 452 AC	2015	2	271	24.5	10.16	18.62	8.46
Show		246527	20 19 14 -54 32 40	NSN 452 BC	2015	3	267	24.7	10.19	18.62	8.43

Quadruple system
4 visible stars in this system

Precise pa	4.9		Precise sep	1.666		Constellation	Telescopium		SAO	246527
HIP	100183		Tycho2	8781-00360-2		Gaia DR2	6472546333895685888		HD	192759
CP	CP-54 9663		Distance	134.23		Distance ly	437.86

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20192-5433	HU 1531		1991	9	3	1.8	10.15	10.27	G3/5V	D	201914.29-543241.0
20192-5433	HU 1531		2015	10	5	1.7	10.15	10.27	G3/5V		201914.29-543241.0

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