20349+4651 STTA208AB

Coord 2000	20349+4651		Discov num	STTA208		Comp	AB		Coord arcsec 2000	20 34 51.07 +46 50 51.3
Date first	1876		Date last	2015		Obs	27
Pa first	241		Pa last	241		P.A. Now (θ)	241°
Sep first	76.4		Sep last	83.5		Sep. Now (ρ)	83.5"
Mag pri	7.85		Mag sec	8.56		delta mag (ΔM)	0.71		Spectral class	K0 (yellow-orange)
Pri motion ra	+061		Sec motion ra	+010
Pri motion dec	+023		Sec motion dec	+005
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.83 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		49830	20349+4651	STTA208	AB	1876	2015	27	241	83.5	7.85	8.56	0.71		<===
Show		49830	20349+4651	BKO 156	AC	1998	2015	9	98	45.9	7.85	13.45	5.60

Triple system
3 visible stars in this system

Precise pa	240.9		Precise sep	83.511		Constellation	Cygnus		SAO	49830
Tycho2	3573-01586-1		Gaia DR2	26348353536		HD	196331

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20349+4651	STTA208	AB	2005	21	240	82.0	7.85	8.56	K0	NOD	203451.07+465051.3
20349+4651	STTA208	AB	2013	23	241	82.7	7.85	8.56	K0	N	203451.07+465051.3
20349+4651	STTA208	AB	2015	24	241	83.5	7.85	8.56	K0	N	203451.07+465051.3

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