19407+6610 MLB 218AB

Coord 2000	19407+6610		Discov num	MLB 218		Comp	AB		Coord arcsec 2000	19 40 42.94 +66 09 14.4
Date first	1921		Date last	2015		Obs	10
Pa first	222		Pa last	219		P.A. Now (θ)	219°
Sep first	4.5		Sep last	4.9		Sep. Now (ρ)	4.9"
Mag pri	11.00		Mag sec	12.50		delta mag (ΔM)	1.5		Spectral class
Pri motion ra	-010		Sec motion ra	+035
Pri motion dec	+026		Sec motion dec	+008
Notes

rPM=1.35 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19407+6610	MLB 218	AB	1921	2015	10	219	4.9	11.00	12.50	1.50		<===
Show			19407+6610	MLB 218	AC	1921	2015	10	331	55.5	10.88	12.30	1.42
Show			19407+6610	MLB 218	AE	2000	2015	7	323	29.5	10.88	14.67	3.79
Show			19407+6610	MLB 218	CD	1921	2015	8	120	7.7	12.00	14.20	2.20

Quintuple system
5 visible stars in this system

Precise pa	219.2		Precise sep	4.921		Constellation	Draco		Tycho2	4242-01271-1
Gaia DR2	31943881344

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19407+6610	MLB 218	AB	2007	4	217	5.0	11.07	12.10		D	194042.94+660914.2
19407+6610	MLB 218	AB	2010	6	216	4.1	11.00	12.50			194042.94+660914.4
19407+6610	MLB 218	AB	2015	6	219	5.0	11.00	12.50			194042.94+660914.4

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