20324-0951 BU  668AB

Coord 2000	20324-0951		Discov num	BU  668		Comp	AB		Coord arcsec 2000	20 32 23.69 -09 51 12.2
Date first	1878		Date last	2015		Obs	20
Pa first	29		Pa last	48		P.A. Now (θ)	48°
Sep first	4.6		Sep last	1.2		Sep. Now (ρ)	1.2"
Mag pri	5.80		Mag sec	11.30		delta mag (ΔM)	5.5		Spectral class	G2V+M0V (yellow/red)
Pri motion ra	+308		Sec motion ra
Pri motion dec	+104		Sec motion dec
Notes	N V (See Notes, Proper motion indicates physical)

This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		163665	20 32 24 -09 51 12	BU 668 AB	2015	20	48	1.2	5.80	11.30	5.50		<===
Show		163665	20 32 24 -09 51 12	BU 668 AC	2000	9	209	121.9	5.73	9.90	4.17

Triple system
3 visible stars in this system

Precise pa	47.8		Precise sep	1.182		Constellation	Capricornus		SAO	163665
HIP	101345		Tycho2	5758-02542-1		HD	195564		HR	7845
BD	BD-10 5423		Distance	24.4		Distance ly	79.59

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20324-0951	BU 668	AB	1965	16	27	3.2	5.80	11.30	G2V		203223.51-095113.1
20324-0951	BU 668	AB	2002	18	40	1.8	5.80	11.30	G2V+M0V	V	203223.69-095112.2
20324-0951	BU 668	AB	2015	20	48	1.2	5.80	11.30	G2V+M0V	V	203223.69-095112.2

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