00172-1921 LDS   9AB

Coord 2000	00172-1921		Discov num	LDS   9		Comp	AB		Coord arcsec 2000	00 17 18.27 -19 20 19.4
Date first	1970		Date last	2015		Obs	8
Pa first	101		Pa last	101		P.A. Now (θ)	101°
Sep first	114.9		Sep last	114.9		Sep. Now (ρ)	114.9"
Mag pri	10.27		Mag sec	10.81		delta mag (ΔM)	0.54		Spectral class
Pri motion ra	-095		Sec motion ra	-094
Pri motion dec	-030		Sec motion dec	-026
Notes	N (See Notes)

rPM=0.041 (< 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			00 17 18 -19 20 19	LDS 9 AB	2015	8	101	114.9	10.27	10.81	0.54		<===
Show			00 17 18 -19 20 19	KPP 4345 AC	2015	2	328	7.5	10.60	14.90	4.30
Show			00 17 26 -19 20 41	KPP 4345 BC	2016	2	284	120.1	10.29	15.12	4.83

Triple system
3 visible stars in this system

Precise pa

100.9

Precise sep

114.882

Constellation

Cetus

Tycho2

5842-00409-1

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00172-1921	LDS 9	AB	2015	8	101	114.9	10.27	10.81		N	001718.27-192019.4

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