19410+3237 BLL  41AD

Coord 2000	19410+3237		Discov num	BLL  41		Comp	AD		Coord arcsec 2000	19 40 57.00 +32 37 05.7
Date first	1878		Date last	2002		Obs	4
Pa first	268		Pa last	268		P.A. Now (θ)	268°
Sep first	93.7		Sep last	93.3		Sep. Now (ρ)	93.3"
Mag pri	7.88		Mag sec	12.08		delta mag (ΔM)	4.2		Spectral class	N (deep red)
Pri motion ra	-005		Sec motion ra	-004
Pri motion dec	-002		Sec motion dec	-007
Notes	N (See Notes)

rPM=0.632 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	TT Cyg	68688	19410+3237	BLL 41	AB	1878	2002	9	212	69.9	7.88	12.32	4.44
Show		68688	19410+3237	BLL 41	AC	1878	2002	4	49	83.7	7.88	12.44	4.56
Show		68688	19410+3237	BLL 41	AD	1878	2002	4	268	93.3	7.88	12.08	4.20		<===

Quadruple system
4 visible stars in this system

Precise pa	268		Precise sep	93.347		Var name	TT Cyg		Constellation	Cygnus
SAO	68688		HIP	96836		Tycho2	2660-03137-1		HD	186047
BD	BD+32 3522		Distance	561.8		Distance ly	1832.59		last precise pa	268
last precise sep	93.347

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19410+3237	BLL 41	AD	1998	3	268	93.3	7.88	10.70	N	N D	194057.00+323705.7
19410+3237	BLL 41	AD	2002	4	268	93.3	7.88	10.70	N	N D	194057.00+323705.7

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