20233+1515 BPM 2139 AC

20^h 23^m 16.27^s +15° 14' 47.3" P.A. 359.00 sep 111.7 mag 12.57,15.44

Coord 2000	20233+1515	Discov num	BPM2139	Comp	AC	Coord arcsec 2000	20 23 16.27 +15 14 47.3
Date first	1968	Date last	2015	Obs	8
Pa first	359	Pa last	358.7	P.A. Now (θ)	358.7°
Sep first	111.6	Sep last	111.723	Sep. Now (ρ)	111.723"
Mag pri	12.57	Mag sec	15.44	delta mag (ΔM)	2.87	Spectral class
Pri motion ra	-003	Sec motion ra	-003
Pri motion dec	-004	Sec motion dec	-003
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.2 (< 0.3, Physical double)

This double is physical.

20233+1515 SYSTEM COMPONENTS

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Gaia DR2

1805667030781232256