19393+3152 SEI 654AB

Coord 2000	19393+3152		Discov num	SEI 654		Comp	AB		Coord arcsec 2000	19 39 20.06 +31 52 19.5
Date first	1893		Date last	2012		Obs	8
Pa first	117		Pa last	115		P.A. Now (θ)	115°
Sep first	15.7		Sep last	14.8		Sep. Now (ρ)	14.8"
Mag pri	9.30		Mag sec	10.68		delta mag (ΔM)	1.38		Spectral class	G8III (yellow)
Pri motion ra	+013		Sec motion ra	+004
Pri motion dec	-004		Sec motion dec	+002
Notes

rPM=0.795 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			19393+3152	SEI 654	AB	1893	2012	8	115	14.8	9.30	10.68	1.38		<===
Show			19393+3152	BKO 75	AC	1998	2002	3	16	13.3	9.30	12.50	3.20
Show			19393+3152	BKO 75	AD	1998	2002	3	72	85.8	9.30	11.20	1.90
Show			19393+3152	BKO 75	DE	1998	2002	3	252	7.9	11.20	13.50	2.30

Quintuple system
5 visible stars in this system

Precise pa	115		Precise sep	14.81		Cdsa2 id	SEI 654 AB		Constellation	Cygnus
Ra deg	19.655572222222222		De deg	31.872083333333332		last precise pa	115		last precise sep	14.81

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19393+3152	SEI 654	AB	2002	6	115	14.9	9.30	10.68	G8III	D	193920.07+315219.5
19393+3152	SEI 654	AB	2012	8	115	14.8	9.30	10.68	G8III	D	193920.07+315219.5

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