20328+4000 SEI1161

Coord 2000	20328+4000		Discov num	SEI1161		Comp			Coord arcsec 2000	20 32 42.35 +40 00 43.9
Date first	1892		Date last	2015		Obs	12
Pa first	277		Pa last	280		P.A. Now (θ)	280°
Sep first	9.0		Sep last	7.4		Sep. Now (ρ)	7.4"
Mag pri	10.44		Mag sec	10.90		delta mag (ΔM)	0.46		Spectral class
Pri motion ra	-011		Sec motion ra	-014
Pri motion dec	-001		Sec motion dec	+004
Notes

rPM=0.4 Nature of this double is uncertain.

Precise pa	280		Precise sep	7.4		Constellation	Cygnus		SAO	70176
Tycho2	3157-01367-1		Gaia DR2	93491844864

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20328+4000	SEI1161		1998	4	280	7.8	10.44	10.90		D	203242.35+400043.9
20328+4000	SEI1161		2002	5	278	7.6	10.44	10.90		D	203242.35+400043.9
20328+4000	SEI1161		2015	6	280	7.4	10.44	10.90			203242.35+400043.9

If you need more information about this double, apply for a data request form to the WDS.