20093+3529 SEI 924 CD

20^h 09^m 17.43^s +35° 28' 59.9" P.A. 207.00 sep 27.8 mag 11.26,11.61

Coord 2000	20093+3529		Discov num	SEI 924		Comp	CD		Coord arcsec 2000	20 09 17.43 +35 28 59.9
Date first	1895		Date last	2016		Obs	16
Pa first	208		Pa last	207.1		P.A. Now (θ)	207.1°
Sep first	28.1		Sep last	27.8		Sep. Now (ρ)	27.8"
Mag pri	11.26		Mag sec	11.61		delta mag (ΔM)	0.35		Spectral class
Pri motion ra	-002		Sec motion ra	-003
Pri motion dec	-007		Sec motion dec	-006
Notes

rPM=0.194 (< 0.3, Physical double)

This double is physical.

20093+3529 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 191566	69512	20 09 14 +35 29 02	STF 2639 AB	2018	57	301	5.8	7.78	8.67	0.89
Show		69512	20 09 14 +35 29 02	SEI 923 AC	2016	13	93	37.4	7.78	11.26	3.48
Show			20 09 17 +35 28 60	SEI 924 CD	2016	16	207	27.8	11.26	11.61	0.35		<===

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2058845006304140032