19556+5226 STF2605AB (Psi Cyg)

Coord 2000	19556+5226		Discov num	STF2605		Comp	AB		Coord arcsec 2000	19 55 37.82 +52 26 20.5
Date first	1822		Date last	2014		Obs	129
Pa first	187		Pa last	177		P.A. Now (θ)	177°
Sep first	3.6		Sep last	2.8		Sep. Now (ρ)	2.8"
Mag pri	5.03		Mag sec	7.52		delta mag (ΔM)	2.49		Spectral class	A4Vn (white)
Pri motion ra	-034		Sec motion ra
Pri motion dec	-022		Sec motion dec
Notes	N (See Notes)

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		32114	19556+5226	YR 2	Aa,Ab	1996	2010	16	275	0.0	5.60	6.10	0.50	Y
Show	Psi Cyg	32114	19556+5226	STF2605	AB	1822	2014	129	177	2.8	5.03	7.52	2.49		<===
Show			19556+5226	STF2605	AC	1908	2003	5	53	23.9	5.03	13.80	8.77
Show		32114	19556+5226	STF2605	AD	1880	2003	8	60	169.8	5.03	11.31	6.28

Quintuple system
4 visible stars in this system

Precise pa	177.1		Precise sep	2.78		Name	Psi Cyg		Cdsa2 id	STF 2605 AB
Constellation	Cygnus		SAO	32114		Tycho2	3570-02426-1		HD	189037
HR	7619		Bayer	Psi Cygni		Bayer name	Psi Cyg		Flamsteed	24 Cygni
Flamsteed name	24 Cyg		Ra deg	19.927172222222225		De deg	52.439027777777774		last precise pa	177.1
last precise sep	2.78

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19556+5226	STF2605	AB	2006	111	174	3.0	5.03	7.52	A4Vn	N D	195537.82+522620.5
19556+5226	STF2605	AB	2008	112	178	3.0	5.03	7.52	A4Vn	N D	195537.82+522620.5
19556+5226	STF2605	AB	2010	122	176	2.9	5.03	7.52	A4Vn	N D	195537.82+522620.5
19556+5226	STF2605	AB	2013	128	177	2.7	5.03	7.52	A4Vn	N D	195537.82+522620.5
19556+5226	STF2605	AB	2014	129	177	2.8	5.03	7.52	A4Vn	N D	195537.82+522620.5

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