20170+3627 SEI1063

Coord 2000	20170+3627		Discov num	SEI1063		Comp			Coord arcsec 2000	20 17 01.05 +36 26 23.1
Date first	1896		Date last	2015		Obs	15
Pa first	262		Pa last	258		P.A. Now (θ)	258°
Sep first	16.8		Sep last	16.3		Sep. Now (ρ)	16.3"
Mag pri	10.82		Mag sec	11.05		delta mag (ΔM)	0.23		Spectral class	A7 (white)
Pri motion ra	+003		Sec motion ra	+006
Pri motion dec	-009		Sec motion dec	-015
Notes

rPM=0.415 Nature of this double is uncertain.

Precise pa	258.2		Precise sep	16.259		Constellation	Cygnus		Tycho2	2684-01540-1
Gaia DR2	98311856768		HD	228726

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20170+3627	SEI1063		1998	7	259	16.2	10.82	11.05		D	201701.05+362623.1
20170+3627	SEI1063		2011	8	258	16.3	10.82	11.05		D	201701.05+362623.1
20170+3627	SEI1063		2015	11	258	16.3	10.82	11.05	A7		201701.05+362623.1

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