20327-8155 HJ 5175AC

Coord 2000	20327-8155		Discov num	HJ 5175		Comp	AC		Coord arcsec 2000	20 32 42.77 -81 55 23.3
Date first	1836		Date last	2017		Obs	16
Pa first	198		Pa last	197		P.A. Now (θ)	197°
Sep first	9.0		Sep last	12.3		Sep. Now (ρ)	12.3"
Mag pri	10.90		Mag sec	12.90		delta mag (ΔM)	2		Spectral class
Pri motion ra	+050		Sec motion ra	+023
Pri motion dec	-054		Sec motion dec	-044
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.391 Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20327-8155	HJ 5175	AB	1836	2017	13	301	10.0	10.90	11.40	0.50
Show			20327-8155	HJ 5175	AC	1836	2017	16	197	12.3	10.90	12.90	2.00		<===

Triple system
3 visible stars in this system

Precise pa	196.7		Precise sep	12.3		Constellation	Octans		Tycho2	9472-00129-1
Gaia DR2	00751620736

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20327-8155	HJ 5175	AC	2000	9	196	12.3	10.90	12.90		N D	203242.77-815523.3
20327-8155	HJ 5175	AC	2010	13	196	12.0	10.90	12.90		N	203242.77-815523.3
20327-8155	HJ 5175	AC	2016	13	197	12.3	10.90	12.90		N	203242.77-815523.3
20327-8155	HJ 5175	AC	2017	14	197	12.3	10.90	12.90		N	203242.77-815523.3

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