20114+3135 SEI 963

Coord 2000	20114+3135		Discov num	SEI 963		Comp			Coord arcsec 2000	20 11 23.63 +31 35 03.8
Date first	1893		Date last	2015		Obs	12
Pa first	145		Pa last	142		P.A. Now (θ)	142°
Sep first	16.3		Sep last	15.2		Sep. Now (ρ)	15.2"
Mag pri	11.56		Mag sec	11.64		delta mag (ΔM)	0.08		Spectral class	F2 (yellow-white)
Pri motion ra	-001		Sec motion ra	-002
Pri motion dec	-009		Sec motion dec	-005
Notes

rPM=0.455 Nature of this double is uncertain.

Precise pa	141.9		Precise sep	15.179		Constellation	Cygnus		SAO	69569
Tycho2	2671-01094-1		Gaia DR2	61840013312

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20114+3135	SEI 963		1998	5	142	15.3	11.56	11.64	F2	D	201123.63+313503.8
20114+3135	SEI 963		2002	6	142	15.2	11.56	11.64	F2	D	201123.63+313503.8
20114+3135	SEI 963		2010	7	142	15.3	11.56	11.64	F2		201123.63+313503.8
20114+3135	SEI 963		2015	8	142	15.2	11.56	11.64	F2		201123.63+313503.8

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