20119+3551 SEI 983 AC

20^h 11^m 48.89^s +35° 50' 52.8" P.A. 243.00 sep 8.1 mag 11.74,15.00 Sp A2:

Coord 2000	20119+3551		Discov num	SEI 983		Comp	AC		Coord arcsec 2000	20 11 48.89 +35 50 52.8
Date first	1915		Date last	2015		Obs	5
Pa first	248		Pa last	243.2		P.A. Now (θ)	243.2°
Sep first	6.7		Sep last	8.06		Sep. Now (ρ)	8.06"
Mag pri	11.74		Mag sec	15.00		delta mag (ΔM)	3.26		Spectral class	A2: (white)
Pri motion ra	-011		Sec motion ra
Pri motion dec	-004		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

20119+3551 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 11 49 +35 50 53	SEI 983 AB	2015	13	89	3.5	11.74	11.70	0.04
Show			20 11 49 +35 50 53	SEI 983 AC	2015	5	243	8.1	11.74	15.00	3.26		<===
Show			20 11 49 +35 50 53	BKO 102 AD	2015	4	277	14.7	11.74	15.29	3.55

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2058959149358430848