19433+3754 SEI 668

Coord 2000	19433+3754		Discov num	SEI 668		Comp			Coord arcsec 2000	19 43 18.46 +37 54 42.5
Date first	1896		Date last	2015		Obs	9
Pa first	342		Pa last	338		P.A. Now (θ)	338°
Sep first	24.4		Sep last	24.7		Sep. Now (ρ)	24.7"
Mag pri	11.15		Mag sec	12.18		delta mag (ΔM)	1.03		Spectral class
Pri motion ra	+000		Sec motion ra	-006
Pri motion dec	-004		Sec motion dec	-008
Notes

rPM=0.721 Nature of this double is uncertain.

Precise pa	338.3		Precise sep	24.693		Constellation	Cygnus		Tycho2	3136-00028-1
Gaia DR2	62985378048

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19433+3754	SEI 668		1998	6	339	24.6	11.15	12.19		D	194318.46+375442.5
19433+3754	SEI 668		2002	7	339	24.7	11.15	12.19		D	194318.46+375442.5
19433+3754	SEI 668		2010	8	339	24.6	11.15	12.18			194318.46+375442.5
19433+3754	SEI 668		2015	9	338	24.7	11.15	12.18			194318.46+375442.5

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