19493+7409 MLR 227

Coord 2000	19493+7409		Discov num	MLR 227		Comp			Coord arcsec 2000	19 49 18.72 +74 09 09.7
Date first	1971		Date last	2008		Obs	9
Pa first	78		Pa last	77		P.A. Now (θ)	77°
Sep first	0.2		Sep last	0.2		Sep. Now (ρ)	0.2"
Mag pri	10.30		Mag sec	10.50		delta mag (ΔM)	0.2		Spectral class	F5 (yellow-white)
Pri motion ra	+023		Sec motion ra
Pri motion dec	+060		Sec motion dec
Notes

Nature of this double is uncertain.

Precise pa	77.4		Precise sep	0.232		Constellation	Draco		SAO	9553
Tycho2	4457-00720-1		HD	188648		last precise pa	77.4		last precise sep	0.232

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19493+7409	MLR 227		1989	7	69	0.3	10.30	10.50	F5		194918.72+740909.7
19493+7409	MLR 227		2008	9	77	0.2	10.30	10.50	F5		194918.72+740909.7

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