20346+3334 GRV 356AB

Coord 2000	20346+3334		Discov num	GRV 356		Comp	AB		Coord arcsec 2000	20 34 40.06 +33 34 37.0
Date first	1999		Date last	2015		Obs	7
Pa first	26		Pa last	26		P.A. Now (θ)	26°
Sep first	44.9		Sep last	44.7		Sep. Now (ρ)	44.7"
Mag pri	12.83		Mag sec	13.63		delta mag (ΔM)	0.8		Spectral class
Pri motion ra	-012		Sec motion ra	-022
Pri motion dec	-010		Sec motion dec	-019
Notes	N (See Notes)

rPM=0.463 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 34 40 +33 34 37	GRV 356 AB	2015	7	26	44.7	12.83	13.63	0.80		<===
Show			20 34 40 +33 34 37	GRV 356 AC	2015	7	154	47.0	12.83	14.22	1.39

Triple system
3 visible stars in this system

Precise pa	26.2		Precise sep	44.675		Constellation	Cygnus		Tycho2	2690-00789-1
Gaia DR2	1864209256099762432

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20346+3334	GRV 356	AB	2000	2	26	44.8	12.60	13.30		N D	203440.06+333437.0
20346+3334	GRV 356	AB	2002	3	26	44.8	12.60	13.30		N D	203440.06+333437.0
20346+3334	GRV 356	AB	2015	3	26	44.6	12.83	13.63		N	203440.06+333437.0

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