21348+5941 STF 2812 (HD 239707)

21^h 34^m 49.90^s +59° 40' 51.0" P.A. 133.00 sep 2.4 mag 9.25,9.70 Sp G0

Coord 2000	21348+5941	Discov num	STF2812	Comp		Coord arcsec 2000	21 34 49.90 +59 40 51.0
Date first	1831	Date last	2016	Obs	20
Pa first	128	Pa last	133.2	P.A. Now (θ)	133.2°
Sep first	2.0	Sep last	2.428	Sep. Now (ρ)	2.428"
Mag pri	9.25	Mag sec	9.70	delta mag (ΔM)	0.45	Spectral class	G0 (yellow)
Pri motion ra	+017	Sec motion ra	+018
Pri motion dec	-003	Sec motion dec	-005
Notes	V (Proper motion indicates physical)

rPM=0.12 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 239707		Constellation	Cepheus		SAO	33553		Tycho2	3979-00565-1
Gaia DR2	2179683709314021504		HD	239707		GC	30236