20041-4547 CPO 87 (HD 189856)

20^h 04^m 03.69^s -45° 47' 55.8" P.A. 5.00 sep 28.0 mag 10.18,10.47 Sp G5

Coord 2000	20041-4547	Discov num	CPO 87	Comp		Coord arcsec 2000	20 04 03.69 -45 47 55.8
Date first	1902	Date last	2016	Obs	13
Pa first	4	Pa last	5.1	P.A. Now (θ)	5.1°
Sep first	27.7	Sep last	28.004	Sep. Now (ρ)	28.004"
Mag pri	10.18	Mag sec	10.47	delta mag (ΔM)	0.29	Spectral class	G5 (yellow)
Pri motion ra	-034	Sec motion ra	-033
Pri motion dec	-161	Sec motion dec	-161
Notes	N T (See Notes, Parallax indicates physical)

rPM=0.006 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 189856		Constellation	Telescopium		Tycho2	8392-00894-1		Gaia DR2	6673292933512285312
HD	189856		DM	CD-4613365