20066+0735 STTA 198 AB (HD 190849)

20^h 06^m 38.76^s +07° 34' 34.2" P.A. 185.00 sep 64.6 mag 7.12,7.55 Sp A2V+A3V dist. 110.99 pc (362.05 l.y.)

Coord 2000	20066+0735	Discov num	STTA198	Comp	AB	Coord arcsec 2000	20 06 38.76 +07 34 34.2
Date first	1875	Date last	2018	Obs	40
Pa first	186	Pa last	185	P.A. Now (θ)	185°
Sep first	65.2	Sep last	64.6	Sep. Now (ρ)	64.6"
Mag pri	7.12	Mag sec	7.55	delta mag (ΔM)	0.43	Spectral class	A2V+A3V (white/white)
Pri motion ra	+000	Sec motion ra	+005
Pri motion dec	-022	Sec motion dec	-019
Notes	N Z (See Notes, Parallax indicates components are physical)

rPM=0.265 (< 0.3, Physical double)

This double is physical.

20066+0735 SYSTEM COMPONENTS

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS