20350+3757 SEI1178AB

Coord 2000	20350+3757		Discov num	SEI1178		Comp	AB		Coord arcsec 2000	20 34 57.98 +37 56 51.2
Date first	1895		Date last	2015		Obs	11
Pa first	177		Pa last	174		P.A. Now (θ)	174°
Sep first	19.6		Sep last	19.1		Sep. Now (ρ)	19.1"
Mag pri	12.36		Mag sec	13.19		delta mag (ΔM)	0.83		Spectral class
Pri motion ra	-007		Sec motion ra	+006
Pri motion dec	-008		Sec motion dec	+000
Notes	N (See Notes)

rPM=1.436 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 34 58 +37 56 51	SEI 1178 AB	2015	11	174	19.1	12.36	13.19	0.83		<===
Show			20 34 58 +37 56 51	BKO 570 AC	2015	7	12	6.2	12.36	14.50	2.14

Triple system
3 visible stars in this system

Precise pa	174.1		Precise sep	19.1		Constellation	Cygnus		Tycho2	3153-00286-1
Gaia DR2	2063164918764673536

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20350+3757	SEI1178	AB	2008	5	174	19.0	12.36	13.19		D	203457.98+375651.2
20350+3757	SEI1178	AB	2015	7	174	19.1	12.36	13.19		N	203457.98+375651.2

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