20017+3703 GRV 306

Coord 2000	20017+3703		Discov num	GRV 306		Comp			Coord arcsec 2000	20 01 45.08 +37 03 32.0
Date first	1998		Date last	2010		Obs	3
Pa first	213		Pa last	211		P.A. Now (θ)	211°
Sep first	29.2		Sep last	28.6		Sep. Now (ρ)	28.6"
Mag pri	11.70		Mag sec	12.40		delta mag (ΔM)	0.7		Spectral class
Pri motion ra	+009		Sec motion ra	-008
Pri motion dec	-021		Sec motion dec	-011
Notes

rPM=0.863 This double is not physical.

Precise pa	210.8		Precise sep	28.57		Constellation	Cygnus		last precise pa	210.8
last precise sep	28.57

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20017+3703	GRV 306		2000	2	213	29.1	11.70	12.40		D	200145.08+370332.0
20017+3703	GRV 306		2002	3	213	29.1	11.70	12.40		D	200145.08+370332.0
20017+3703	GRV 306		2010	3	211	28.6	11.70	12.40			200145.08+370332.0

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