20050+2936 GRV 310

Coord 2000	20050+2936		Discov num	GRV 310		Comp			Coord arcsec 2000	20 05 04.65 +29 36 50.5
Date first	1898		Date last	2015		Obs	11
Pa first	1		Pa last	1		P.A. Now (θ)	1°
Sep first	45.1		Sep last	45.4		Sep. Now (ρ)	45.4"
Mag pri	11.31		Mag sec	11.34		delta mag (ΔM)	0.03		Spectral class
Pri motion ra	+025		Sec motion ra	+025
Pri motion dec	+014		Sec motion dec	+014
Notes	V (Proper motion indicates physical)

Visually invisible, K-band or other infrared star This double is physical.

Precise pa	0.7		Precise sep	45.395		Constellation	Cygnus		Tycho2	2153-01758-1
Gaia DR2	72821485312

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20050+2936	GRV 310		2000	5	1	45.4	11.31	11.57		D	200504.65+293650.5
20050+2936	GRV 310		2002	6	1	45.4	11.31	11.57		D	200504.65+293650.5
20050+2936	GRV 310		2010	6	1	45.3	11.31	11.34			200504.65+293650.5
20050+2936	GRV 310		2015	7	1	45.4	11.31	11.34			200504.65+293650.5

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