20097+3510 SEI 937

Coord 2000	20097+3510		Discov num	SEI 937		Comp			Coord arcsec 2000	20 09 42.85 +35 08 57.8
Date first	1896		Date last	2015		Obs	14
Pa first	67		Pa last	67		P.A. Now (θ)	67°
Sep first	24.8		Sep last	25.3		Sep. Now (ρ)	25.3"
Mag pri	11.97		Mag sec	12.32		delta mag (ΔM)	0.35		Spectral class
Pri motion ra	-003		Sec motion ra	+000
Pri motion dec	-005		Sec motion dec	-008
Notes

rPM=0.53 Nature of this double is uncertain.

Precise pa	67.2		Precise sep	25.269		Constellation	Cygnus		Tycho2	2679-01487-1
Gaia DR2	81074512896

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20097+3510	SEI 937		2002	3	67	25.3	11.73	12.40			200942.37+351101.5
20097+3510	SEI 937		2011	4	67	25.3	11.73	12.40			200942.37+351101.5
20097+3510	SEI 937		2015	10	67	25.3	11.97	12.32			200942.85+350857.8

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