20239+3238 SEI1112

Coord 2000	20239+3238		Discov num	SEI1112		Comp			Coord arcsec 2000	20 23 54.96 +32 38 11.7
Date first	1893		Date last	2015		Obs	15
Pa first	213		Pa last	209		P.A. Now (θ)	209°
Sep first	21.1		Sep last	20.2		Sep. Now (ρ)	20.2"
Mag pri	11.06		Mag sec	12.10		delta mag (ΔM)	1.04		Spectral class
Pri motion ra	-004		Sec motion ra	-007
Pri motion dec	-003		Sec motion dec	-005
Notes

rPM=0.419 Nature of this double is uncertain.

Precise pa	208.6		Precise sep	20.199		Constellation	Cygnus		Tycho2	2676-00932-1
Gaia DR2	39929207936

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20239+3238	SEI1112		1998	7	209	20.2	11.06	12.10		D	202354.96+323811.7
20239+3238	SEI1112		2008	8	208	20.6	11.06	12.10		D	202354.96+323811.7
20239+3238	SEI1112		2010	10	208	20.1	11.06	12.10			202354.96+323811.7
20239+3238	SEI1112		2015	11	210	20.3	11.06	12.10			202354.96+323811.7

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