21416-2813 UC 4530AC

Coord 2000	21416-2813		Discov num	UC 4530		Comp	AC		Coord arcsec 2000	21 41 37.84 -28 11 44.8
Date first	1998		Date last	2018		Obs	4
Pa first	245		Pa last	246		P.A. Now (θ)	246°
Sep first	80.5		Sep last	79.9		Sep. Now (ρ)	79.9"
Mag pri	10.72		Mag sec	13.88		delta mag (ΔM)	3.16		Spectral class
Pri motion ra	-058		Sec motion ra	-059
Pri motion dec	-063		Sec motion dec	-066
Notes	V (Proper motion indicates physical)

rPM=0.036 (< 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			21 41 38 -28 11 45	HJ 3046 AB	2018	6	57	29.0	10.72	12.64	1.92
Show			21 41 38 -28 11 45	UC 4530 AC	2018	4	246	79.9	10.72	13.88	3.16		<===

Triple system
3 visible stars in this system

Precise pa	246.1		Precise sep	79.92		Constellation	Piscis Austrinus		Tycho2	6952-00775-1
Gaia DR2	6809854816005654784

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21416-2813	UC 4530	AC	1999	2	245	80.5	10.72	13.90		V	214137.84-281144.8
21416-2813	UC 4530	AC	2000	2	245	80.5	10.72	13.90		V	214137.84-281144.8
21416-2813	UC 4530	AC	2015	3	245	80.5	10.72	13.88		V	214137.84-281144.8
21416-2813	UC 4530	AC	2018	4	246	79.9	10.72	13.88		V	214137.84-281144.8

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