18055-6312 UC 3491AB

Coord 2000	18055-6312		Discov num	UC 3491		Comp	AB		Coord arcsec 2000	18 05 30.73 -63 11 39.1
Date first	1998		Date last	2015		Obs	3
Pa first	140		Pa last	138		P.A. Now (θ)	138°
Sep first	44.7		Sep last	44.1		Sep. Now (ρ)	44.1"
Mag pri	8.30		Mag sec	12.12		delta mag (ΔM)	3.82		Spectral class	G5V (yellow)
Pri motion ra	-030		Sec motion ra	-036
Pri motion dec	-087		Sec motion dec	-099
Notes	V (Proper motion indicates physical)

rPM=0.127 (< 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		254132	18 05 31 -63 11 39	RST 959 Aa,Ab	2019	8	109	0.4	8.30	9.08	0.78	Y
Show		254132	18 05 31 -63 11 39	UC 3491 AB	2015	3	138	44.1	8.30	12.12	3.82		<===

Triple system
2 visible stars in this system

Precise pa	137.8		Precise sep	44.063		Constellation	Pavo		SAO	254132
HIP	88607		Tycho2	9059-00705-1		Gaia DR2	6630829622654095872		HD	164444
CP	CP-63 4275		Distance	72.83		Distance ly	237.57

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18055-6312	UC 3491	AB	2000	2	140	44.6	8.30	12.10	G5V	V	180530.73-631139.1
18055-6312	UC 3491	AB	2015	3	138	44.1	8.30	12.12	G5V	V	180530.73-631139.1

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