20020+3411 SEI 800

Coord 2000	20020+3411		Discov num	SEI 800		Comp			Coord arcsec 2000	20 02 01.37 +34 10 37.5
Date first	1894		Date last	2015		Obs	11
Pa first	348		Pa last	350		P.A. Now (θ)	350°
Sep first	24.1		Sep last	24.9		Sep. Now (ρ)	24.9"
Mag pri	12.41		Mag sec	13.06		delta mag (ΔM)	0.65		Spectral class
Pri motion ra	-005		Sec motion ra	+000
Pri motion dec	-011		Sec motion dec	-004
Notes

rPM=0.712 Nature of this double is uncertain.

Precise pa

349.8

Precise sep

24.87

Constellation

Cygnus

Gaia DR2

86437044992

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20020+3411	SEI 800		1998	4	350	24.8	10.50	11.00		D	200201.37+341037.5
20020+3411	SEI 800		2002	5	350	24.8	10.50	11.00		D	200201.37+341037.5
20020+3411	SEI 800		2010	6	350	24.8	12.41	13.06			200201.37+341037.5
20020+3411	SEI 800		2015	7	350	24.9	12.41	13.06			200201.37+341037.5

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