19407+6610 MLB 218AC

Coord 2000	19407+6610		Discov num	MLB 218		Comp	AC		Coord arcsec 2000	19 40 42.94 +66 09 14.4
Date first	1921		Date last	2015		Obs	6
Pa first	351		Pa last	331		P.A. Now (θ)	331°
Sep first	56.6		Sep last	55.5		Sep. Now (ρ)	55.5"
Mag pri	10.88		Mag sec	12.30		delta mag (ΔM)	1.42		Spectral class
Pri motion ra	-010		Sec motion ra	-003
Pri motion dec	+026		Sec motion dec	+025
Notes

rPM=0.254 (< 0.3, Physical double) This double is 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	6	219	5.0	11.00	12.50	1.50
Show			19407+6610	MLB 218	AC	1921	2015	6	331	55.5	10.88	12.30	1.42		<===
Show			19407+6610	MLB 218	AE	2000	2015	3	323	29.5	10.88	14.67	3.79
Show			19407+6610	MLB 218	CD	1921	2015	4	120	7.7	12.00	14.20	2.20

Quintuple system
5 visible stars in this system

Precise pa	330.6		Precise sep	55.468		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	AC	1983	2	332	53.2	11.07	12.10			194042.94+660914.2
19407+6610	MLB 218	AC	2000	3	331	55.6	11.07	12.30			194042.94+660914.4
19407+6610	MLB 218	AC	2003	4	331	55.5	11.00	12.00		D	194042.94+660914.4
19407+6610	MLB 218	AC	2014	5	331	55.6	10.88	12.30			194042.94+660914.4
19407+6610	MLB 218	AC	2015	6	331	55.5	10.88	12.30			194042.94+660914.4

If you need more information about this double, apply for a data request form to the WDS.