19439+3410 HO  453AC

Coord 2000	19439+3410		Discov num	HO  453		Comp	AC		Coord arcsec 2000	19 43 51.45 +34 09 45.8
Date first	1892		Date last	2002		Obs	6
Pa first	134		Pa last	135		P.A. Now (θ)	135°
Sep first	33.6		Sep last	33.1		Sep. Now (ρ)	33.1"
Mag pri	6.06		Mag sec	11.50		delta mag (ΔM)	5.44		Spectral class	B8III (blue-white)
Pri motion ra	+007		Sec motion ra
Pri motion dec	+004		Sec motion dec
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		68764	19439+3410	HO 453	AB	1892	2002	7	53	14.7	6.06	13.81	7.75
Show		68764	19439+3410	HO 453	AC	1892	2002	6	135	33.1	6.06	11.50	5.44		<===

Triple system
3 visible stars in this system

Precise pa	135.3		Precise sep	33.125		Constellation	Cygnus		SAO	68764
HIP	97087		Tycho2	2664-00111-1		Gaia DR2	38355392512		HD	186568
HR	7512		BD	BD+33 3572		Distance	331.13		Distance ly	1080.15

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19439+3410	HO 453	AC	2001	5	136	34.0	6.06	11.50	B8III	D	194351.45+340945.8
19439+3410	HO 453	AC	2002	6	135	33.1	6.06	11.50	B8III	D	194351.45+340945.8

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