20352+3754 SEI1180AB

Coord 2000	20352+3754		Discov num	SEI1180		Comp	AB		Coord arcsec 2000	20 35 02.07 +37 55 33.0
Date first	1895		Date last	2015		Obs	9
Pa first	139		Pa last	138		P.A. Now (θ)	138°
Sep first	21.8		Sep last	28.4		Sep. Now (ρ)	28.4"
Mag pri	14.80		Mag sec	14.60		delta mag (ΔM)	0.2		Spectral class
Pri motion ra	-006		Sec motion ra	-006
Pri motion dec	-010		Sec motion dec	-011
Notes

rPM=0.08 (< 0.3, Physical double) This double is physical.

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 visible stars in this system

Precise pa

137.6

Precise sep

28.4

Constellation

Cygnus

Gaia DR2

2063164854344676736

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20352+3754	SEI1180	AB	1895	1	139	21.8	10.50	11.00		N	203508.23+375316.4
20352+3754	SEI1180	AB	2008	2	139	28.5	10.50	11.00		N	203508.23+375316.4
20352+3754	SEI1180	AB	2015	5	138	28.4	14.80	14.60			203502.07+375533.0

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