19547+3850 SEI 725

Coord 2000	19547+3850		Discov num	SEI 725		Comp			Coord arcsec 2000	19 54 40.77 +38 49 51.4
Date first	1896		Date last	2010		Obs	9
Pa first	308		Pa last	299		P.A. Now (θ)	299°
Sep first	23.9		Sep last	31.7		Sep. Now (ρ)	31.7"
Mag pri	10.62		Mag sec	12.00		delta mag (ΔM)	1.38		Spectral class	F0 (yellow-white)
Pri motion ra	+001		Sec motion ra	+004
Pri motion dec	+003		Sec motion dec	+004
Notes

rPM=0.559 Nature of this double is uncertain.

Precise pa	298.5		Precise sep	31.73		Constellation	Cygnus		Tycho2	3137-00577-1
HD	226497		last precise pa	298.5		last precise sep	31.73

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19547+3850	SEI 725		1998	7	307	23.6	10.62	12.00		D	195440.77+384951.4
19547+3850	SEI 725		2002	8	307	23.6	10.62	12.00		D	195440.77+384951.4
19547+3850	SEI 725		2010	9	299	31.7	10.62	12.00	F0		195440.77+384951.4

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