20028+6752 LDS2447AB (Rho Dra)

Coord 2000	20028+6752		Discov num	LDS2447		Comp	AB		Coord arcsec 2000	20 02 49.05 +67 52 24.4
Date first	1953		Date last	2003		Obs	2
Pa first	180		Pa last	180		P.A. Now (θ)	180°
Sep first	124.0		Sep last	125.4		Sep. Now (ρ)	125.4"
Mag pri	4.51		Mag sec	14.60		delta mag (ΔM)	10.09		Spectral class	K3III (yellow-orange)
Pri motion ra	+016		Sec motion ra	+026
Pri motion dec	+047		Sec motion dec	+039
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.258 (< 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	Rho Dra	18676	20028+6752	LDS2447	AB	1953	2003	2	180	125.4	4.51	14.60	10.09		<===
Show		18676	20028+6752	LDS2447	AC	1953	2003	3	226	141.0	4.51	17.80	13.29

Triple system
3 visible stars in this system

Precise pa	180.3		Precise sep	125.41		Name	Rho Dra		Constellation	Draco
SAO	18676		HIP	98702		Tycho2	4446-01736-1		Gaia DR2	73868092544
HD	190940		HR	7685		GC	27856		BD	BD+67 1222
Bayer	Rho Draconis		Bayer name	Rho Dra		Flamsteed	67 Draconis		Flamsteed name	67 Dra
Distance	131.41		Distance ly	428.66

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20028+6752	LDS2447	AB	1953	1	180	124.0	4.51	14.60	K3III	N	200249.05+675224.4
20028+6752	LDS2447	AB	2003	2	180	125.4	4.51	14.60	K3III	N	200249.05+675224.4

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