20543-3243 UC 4321AB

Coord 2000	20543-3243		Discov num	UC 4321		Comp	AB		Coord arcsec 2000	20 54 20.65 -32 42 41.5
Date first	1911		Date last	2015		Obs	6
Pa first	38		Pa last	38		P.A. Now (θ)	38°
Sep first	23.9		Sep last	24.4		Sep. Now (ρ)	24.4"
Mag pri	9.72		Mag sec	11.44		delta mag (ΔM)	1.72		Spectral class	G6/K0III (yellow)
Pri motion ra	-004		Sec motion ra	-004
Pri motion dec	-079		Sec motion dec	-080
Notes	V (Proper motion indicates physical)

rPM=0.012 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		212534	20 54 21 -32 42 42	TDT 2622 Aa,Ab	1991	1	232	0.5	10.50	10.50	0.00
Show		212534	20 54 21 -32 42 42	UC 4321 AB	2015	6	38	24.4	9.72	11.44	1.72		<===

Triple system
2 visible stars in this system

Precise pa	37.5		Precise sep	24.373		Constellation	Microscopium		SAO	212534
Tycho2	7462-00436-1		Gaia DR2	6781718626985486464		HD	198869

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20543-3243	UC 4321	AB	1999	4	37	24.1	9.70	11.40		V	205420.65-324241.5
20543-3243	UC 4321	AB	2000	2	37	24.3	9.70	11.40		V	205420.65-324241.5
20543-3243	UC 4321	AB	2015	6	38	24.4	9.72	11.44	G6/K0III	V	205420.65-324241.5

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