19574+3931 SEI 746

Coord 2000	19574+3931		Discov num	SEI 746		Comp			Coord arcsec 2000	19 57 27.60 +39 30 48.7
Date first	1896		Date last	2010		Obs	5
Pa first	325		Pa last	324		P.A. Now (θ)	324°
Sep first	26.6		Sep last	26.3		Sep. Now (ρ)	26.3"
Mag pri	10.00		Mag sec	12.42		delta mag (ΔM)	2.42		Spectral class	A3 (white)
Pri motion ra	-001		Sec motion ra	+001
Pri motion dec	+003		Sec motion dec	+002
Notes

rPM=0.707 Nature of this double is uncertain.

Precise pa	323.6		Precise sep	26.28		Constellation	Cygnus		Tycho2	3141-03083-1
HD	226785		last precise pa	323.6		last precise sep	26.28

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19574+3931	SEI 746		1998	3	324	26.3	9.99	11.80		D	195727.60+393048.7
19574+3931	SEI 746		2002	4	324	26.3	9.99	11.80		D	195727.60+393048.7
19574+3931	SEI 746		2010	5	324	26.3	10.00	12.42	A3		195727.60+393048.7

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