21421+5322 A 1894 (HD 235593)

21^h 42^m 06.20^s +53° 21' 33.8" P.A. 142.00 sep 2.0 mag 9.78,11.28 Sp F2

Coord 2000	21421+5322	Discov num	A 1894	Comp		Coord arcsec 2000	21 42 06.20 +53 21 33.8
Date first	1908	Date last	2016	Obs	12
Pa first	137	Pa last	142.1	P.A. Now (θ)	142.1°
Sep first	1.8	Sep last	1.976	Sep. Now (ρ)	1.976"
Mag pri	9.78	Mag sec	11.28	delta mag (ΔM)	1.5	Spectral class	F2 (yellow-white)
Pri motion ra	+016	Sec motion ra	+018
Pri motion dec	-008	Sec motion dec	-009
Notes	V (Proper motion indicates physical)

rPM=0.111 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 235593		Constellation	Cygnus		SAO	33668		Tycho2	3967-02716-1
Gaia DR2	2173481501670276608		HD	235593