20013+3346 SEI 789

Coord 2000	20013+3346		Discov num	SEI 789		Comp			Coord arcsec 2000	20 01 18.90 +33 45 26.5
Date first	1894		Date last	2011		Obs	7
Pa first	349		Pa last	347		P.A. Now (θ)	347°
Sep first	18.2		Sep last	16.9		Sep. Now (ρ)	16.9"
Mag pri	10.69		Mag sec	12.70		delta mag (ΔM)	2.01		Spectral class	A5 (white)
Pri motion ra	+000		Sec motion ra	+001
Pri motion dec	+004		Sec motion dec	-006
Notes

rPM=1.652 This double is not physical.

Precise pa	347.4		Precise sep	16.88		Constellation	Cygnus		Tycho2	2678-01670-1
HD	227138		last precise pa	347.4		last precise sep	16.88

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20013+3346	SEI 789		1998	4	348	17.0	10.69	12.70		D	200118.90+334526.5
20013+3346	SEI 789		2002	5	347	17.0	10.69	12.70		D	200118.90+334526.5
20013+3346	SEI 789		2011	6	347	16.9	10.69	12.70		D	200118.90+334526.5

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