19413+2944 SLE 668

Coord 2000	19413+2944		Discov num	SLE 668		Comp			Coord arcsec 2000	19 41 16.60 +29 44 24.7
Date first	1895		Date last	2010		Obs	8
Pa first	267		Pa last	268		P.A. Now (θ)	268°
Sep first	11.1		Sep last	10.4		Sep. Now (ρ)	10.4"
Mag pri	9.98		Mag sec	10.40		delta mag (ΔM)	0.42		Spectral class	B8 (blue-white)
Pri motion ra	-001		Sec motion ra	+001
Pri motion dec	-005		Sec motion dec	-003
Notes

rPM=0.555 Nature of this double is uncertain.

Precise pa	267.9		Precise sep	10.42		Constellation	Cygnus		Tycho2	2151-02205-1
HD	332382		last precise pa	267.9		last precise sep	10.42

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19413+2944	SLE 668		2007	5	268	10.8	9.98	10.40		D	194116.60+294424.7
19413+2944	SLE 668		2008	6	268	10.9	9.98	10.40		D	194116.60+294424.7
19413+2944	SLE 668		2010	8	273	11.8	9.98	10.40	B8		194116.60+294424.7

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