20023-1157 HU   79AB

Coord 2000	20023-1157		Discov num	HU   79		Comp	AB		Coord arcsec 2000	20 02 18.63 -11 57 24.7
Date first	1899		Date last	1991		Obs	11
Pa first	244		Pa last	235		P.A. Now (θ)	235°
Sep first	0.6		Sep last	0.5		Sep. Now (ρ)	0.5"
Mag pri	10.31		Mag sec	10.26		delta mag (ΔM)	0.05		Spectral class	A8V (white)
Pri motion ra	-001		Sec motion ra	-001
Pri motion dec	-011		Sec motion dec	-011
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		163197	20 02 19 -11 57 25	HU 79 AB	1991	11	235	0.5	10.31	10.26	0.05		<===
Show		163197	20 02 19 -11 57 25	B 2882 AB,C	2005	4	289	3.8	9.53	13.90	4.37

Triple system
4 visible stars in this system

Precise pa	234.9		Precise sep	0.54		Constellation	Sagittarius		SAO	163197
Tycho2	5746-00883-1		Gaia DR2	4189113428946083840		HD	189815

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20023-1157	HU 79	AB	1991	11	235	0.5	10.31	10.26	A8V		200218.63-115724.7

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