19417+3855 SEI 660

Coord 2000	19417+3855		Discov num	SEI 660		Comp			Coord arcsec 2000	19 41 39.06 +38 54 49.2
Date first	1896		Date last	2010		Obs	6
Pa first	250		Pa last	253		P.A. Now (θ)	253°
Sep first	11.8		Sep last	11.8		Sep. Now (ρ)	11.8"
Mag pri	9.77		Mag sec	12.60		delta mag (ΔM)	2.83		Spectral class	A0 (white)
Pri motion ra	-001		Sec motion ra	-003
Pri motion dec	-003		Sec motion dec	+001
Notes

rPM=1.414 This double is not physical.

Precise pa	252.7		Precise sep	11.76		Cdsa2 id	SEI 660		Constellation	Cygnus
Ra deg	19.694183333333335		De deg	38.913666666666664		last precise pa	252.7		last precise sep	11.76

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19417+3855	SEI 660		1998	4	253	11.8	9.77	12.60	A0	D	194139.06+385449.2
19417+3855	SEI 660		2002	5	253	11.8	9.77	12.60	A0	D	194139.06+385449.2
19417+3855	SEI 660		2010	6	253	11.3	9.77	12.60	A0		194139.06+385449.2

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