19535+3859 SEI 717AB

Coord 2000	19535+3859		Discov num	SEI 717		Comp	AB		Coord arcsec 2000	19 53 32.48 +38 58 37.3
Date first	1896		Date last	2016		Obs	11
Pa first	101		Pa last	105		P.A. Now (θ)	105°
Sep first	4.6		Sep last	4.7		Sep. Now (ρ)	4.7"
Mag pri	11.80		Mag sec	10.50		delta mag (ΔM)	1.3		Spectral class
Pri motion ra	-003		Sec motion ra	+013
Pri motion dec	+005		Sec motion dec	+002
Notes	R (Red magnitudes)

rPM=1.238 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 53 32 +38 58 37	SEI 717 AB	2016	11	105	4.7	11.80	10.50	1.30		<===
Show			19 53 32 +38 58 37	ES 2684 AC	2015	4	318	16.0	11.80	13.90	2.10

Triple system
3 visible stars in this system

Precise pa

104.8

Precise sep

4.726

Constellation

Cygnus

Gaia DR2

2073355673580991360

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19535+3859	SEI 717	AB	2006	8	109	4.6	10.50	10.50		D	195332.48+385837.3
19535+3859	SEI 717	AB	2015	10	105	4.7	11.80	10.50		R	195332.48+385837.3

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