20023-1157 B  2882AB,C

Coord 2000	20023-1157		Discov num	B  2882		Comp	AB,C		Coord arcsec 2000	20 02 18.63 -11 57 24.7
Date first	1930		Date last	2005		Obs	4
Pa first	292		Pa last	289		P.A. Now (θ)	289°
Sep first	3.6		Sep last	3.8		Sep. Now (ρ)	3.8"
Mag pri	9.53		Mag sec	13.90		delta mag (ΔM)	4.37		Spectral class	A8V (white)
Pri motion ra	-001		Sec motion ra
Pri motion dec	-011		Sec motion dec
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	289.2		Precise sep	3.78		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	B 2882	AB,C	1961	3	299	3.5	9.53	13.90	A8V		200218.63-115724.7
20023-1157	B 2882	AB,C	2005	4	289	3.8	9.53	13.90	A8V		200218.63-115724.7

If you need more information about this double, apply for a data request form to the WDS.