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		Cdsa2 id	SLE 668		Constellation	Cygnus
Ra deg	19.687944444444444		De deg	29.740194444444445		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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