02157+6740 ENG 10 AB (V989 Cas)

02^h 15^m 42.55^s +67° 40' 20.3" P.A. 324.00 sep 27.5 mag 7.30,9.36 Sp K2V+F2 dist. 18.58 pc (60.61 l.y.)

Coord 2000	02157+6740	Discov num	ENG 10	Comp	AB	Coord arcsec 2000	02 15 42.55 +67 40 20.3
Date first	1875	Date last	2016	Obs	34
Pa first	109	Pa last	324.4	P.A. Now (θ)	324.4°
Sep first	62.4	Sep last	27.51	Sep. Now (ρ)	27.51"
Mag pri	7.30	Mag sec	9.36	delta mag (ΔM)	2.06	Spectral class	K2V+F2 (yellow-orange/yellow-white)
Pri motion ra	+520	Sec motion ra	-002
Pri motion dec	-304	Sec motion dec	-003
Notes	N L U (See Notes, Linear solution, Proper motion indicates non-physical)

rPM=1

This double is not physical.

02157+6740 SYSTEM COMPONENTS

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS