19590+3539 SEI 759AC

Coord 2000	19590+3539		Discov num	SEI 759		Comp	AC		Coord arcsec 2000	19 59 03.07 +35 39 38.5
Date first	1924		Date last	2002		Obs	3
Pa first	51		Pa last	53		P.A. Now (θ)	53°
Sep first	10.7		Sep last	11.2		Sep. Now (ρ)	11.2"
Mag pri	11.30		Mag sec	12.20		delta mag (ΔM)	0.9		Spectral class
Pri motion ra	+000		Sec motion ra	-003
Pri motion dec	-006		Sec motion dec	-006
Notes	N (See Notes)

rPM=0.447 Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19590+3539	SEI 759	AB	1895	2004	6	233	5.8	11.30	11.30	0.00
Show			19590+3539	SEI 759	AC	1924	2002	3	53	11.2	11.30	12.20	0.90		<===
Show			19590+3539	SEI 759	BC	1924	2002	4	53	17.1	11.30	12.20	0.90

Triple system
3 visible stars in this system

Precise pa	52.8		Precise sep	11.174		Constellation	Cygnus		last precise pa	52.8
last precise sep	11.174

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19590+3539	SEI 759	AC	1999	2	52	11.3	11.30	12.20		N D	195903.07+353938.5
19590+3539	SEI 759	AC	2002	3	53	11.2	11.30	12.20		N D	195903.07+353938.5

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