20352+3754 SEI 1180 BC

20^h 35^m 03.68^s +37° 55' 11.8" P.A. 33.00 sep 17.9 mag 11.00,11.50

Coord 2000	20352+3754		Discov num	SEI1180		Comp	BC		Coord arcsec 2000	20 35 03.68 +37 55 11.8
Date first	1895		Date last	2015		Obs	9
Pa first	30		Pa last	32.5		P.A. Now (θ)	32.5°
Sep first	22.8		Sep last	17.9		Sep. Now (ρ)	17.9"
Mag pri	11.00		Mag sec	11.50		delta mag (ΔM)	0.5		Spectral class
Pri motion ra	-006		Sec motion ra
Pri motion dec	-011		Sec motion dec
Notes

Nature of this double is uncertain.

20352+3754 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 35 02 +37 55 33	SEI 1180 AB	2015	9	138	28.4	14.80	14.60	0.20
Show			20 35 02 +37 55 33	SEI 1181 AC	2015	9	102	29.4	14.80	13.60	1.20
Show			20 35 04 +37 55 12	SEI 1180 BC	2015	9	33	17.9	11.00	11.50	0.50		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2063164098430429568