21072-1355 BU 157 AC

21^h 07^m 10.38^s -13° 55' 22.5" P.A. 285.00 sep 33.9 mag 7.29,11.56 Sp K1V dist. 17.57 pc (57.31 l.y.)

Coord 2000	21072-1355	Discov num	BU 157	Comp	AC	Coord arcsec 2000	21 07 10.38 -13 55 22.5
Date first	1873	Date last	2020	Obs	17
Pa first	90	Pa last	285.2	P.A. Now (θ)	285.2°
Sep first	20.0	Sep last	33.91	Sep. Now (ρ)	33.91"
Mag pri	7.29	Mag sec	11.56	delta mag (ΔM)	4.27	Spectral class	K1V (yellow-orange)
Pri motion ra	+382	Sec motion ra	+001
Pri motion dec	-047	Sec motion dec	+058
Notes	N L U (See Notes, Linear solution, Proper motion indicates non-physical)

rPM=1.027

This double is not physical.

21072-1355 SYSTEM COMPONENTS

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS