01163-2056 LDS  41

Coord 2000	01163-2056		Discov num	LDS  41		Comp			Coord arcsec 2000	01 16 18.38 -20 56 50.8
Date first	1920		Date last	2015		Obs	10
Pa first	180		Pa last	172		P.A. Now (θ)	172°
Sep first	17.0		Sep last	17.2		Sep. Now (ρ)	17.2"
Mag pri	13.26		Mag sec	13.63		delta mag (ΔM)	0.37		Spectral class
Pri motion ra	-103		Sec motion ra	-105
Pri motion dec	-236		Sec motion dec	-237
Notes	N V (See Notes, Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.009 (< 0.3, Physical double) This double is physical.

Precise pa

172.3

Precise sep

17.246

Constellation

Cetus

Gaia DR2

74955205504

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01163-2056	LDS 41		2000	4	172	17.2	13.02	13.64		D	011618.38-205650.8
01163-2056	LDS 41		2010	7	172	17.2	13.26	13.63		N	011618.38-205650.8
01163-2056	LDS 41		2015	9	172	17.2	13.26	13.63		NV	011618.38-205650.8

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