20330-1752 ARA 497AB

Coord 2000	20330-1752		Discov num	ARA 497		Comp	AB		Coord arcsec 2000	20 32 58.43 -17 51 34.8
Date first	1917		Date last	2015		Obs	7
Pa first	25		Pa last	65		P.A. Now (θ)	65°
Sep first	8.2		Sep last	13.5		Sep. Now (ρ)	13.5"
Mag pri	10.60		Mag sec	11.10		delta mag (ΔM)	0.5		Spectral class
Pri motion ra	-026		Sec motion ra	+076
Pri motion dec	-006		Sec motion dec	-024
Notes

rPM=1.3 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 32 58 -17 51 35	ARA 497 AB	2015	7	65	13.5	10.60	11.10	0.50		<===
Show			20 32 58 -17 51 35	GMC 27 AC	2015	6	95	26.6	10.60	11.40	0.80

Triple system
3 visible stars in this system

Precise pa	65.1		Precise sep	13.462		Constellation	Capricornus		Tycho2	6334-00614-1
Gaia DR2	6862372787045507072

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20330-1752	ARA 497	AB	2013	6	62	13.4	10.60	11.10			203258.43-175134.8
20330-1752	ARA 497	AB	2015	7	65	13.5	10.60	11.10			203258.43-175134.8

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