01393+5257 STF 139 AB (HD 232490)

01^h 39^m 18.85^s +52° 57' 12.9" P.A. 39.00 sep 9.2 mag 9.89,10.27 Sp A

Coord 2000	01393+5257	Discov num	STF 139	Comp	AB	Coord arcsec 2000	01 39 18.85 +52 57 12.9
Date first	1827	Date last	2015	Obs	55
Pa first	45	Pa last	39.1	P.A. Now (θ)	39.1°
Sep first	10.0	Sep last	9.212	Sep. Now (ρ)	9.212"
Mag pri	9.89	Mag sec	10.27	delta mag (ΔM)	0.38	Spectral class	A (white)
Pri motion ra	+002	Sec motion ra	-003
Pri motion dec	-007	Sec motion dec	-005
Notes	N U (See Notes, Proper motion indicates non-physical)

rPM=0.74

This double is not physical.

01393+5257 SYSTEM COMPONENTS

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 232490		Constellation	Perseus		SAO	22476		Tycho2	3671-02316-1
Gaia DR2	407217501583164160		HD	232490		GC	1983		ADS	1289