19312+6319 BU 655 AB (HD 184563)

19^h 31^m 12.30^s +63° 18' 52.5" P.A. 328.00 sep 2.1 mag 8.34,12.00 Sp K0 dist. 467.29 pc (1524.3 l.y.)

Coord 2000	19312+6319		Discov num	BU 655		Comp	AB		Coord arcsec 2000	19 31 12.30 +63 18 52.5
Date first	1878		Date last	2016		Obs	10
Pa first	333		Pa last	328.4		P.A. Now (θ)	328.4°
Sep first	1.9		Sep last	2.111		Sep. Now (ρ)	2.111"
Mag pri	8.34		Mag sec	12.00		delta mag (ΔM)	3.66		Spectral class	K0 (yellow-orange)
Pri motion ra	+040		Sec motion ra	+041
Pri motion dec	+021		Sec motion dec	+023
Notes	N (See Notes)

rPM=0.048 (< 0.3, Physical double)

This double is physical.

19312+6319 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 184563		19 31 12 +63 18 52	BU 655 AB	2016	10	328	2.1	8.34	12.00	3.66		<===
Show			19 31 12 +63 18 52	STF 2549 AC	2018	42	284	28.3	8.34	9.28	0.94
Show		18378	19 31 12 +63 18 52	STF 2549 AD	2019	43	269	55.8	8.34	8.03	0.31
Show			19 31 12 +63 18 52	GUI 24 AE	2015	9	241	153.1	8.34	10.47	2.13
Show		18378	19 31 04 +63 18 53	STF 2549 DC	2018	43	76	29.2	8.03	9.28	1.25
Show		18378	19 31 04 +63 18 53	GUI 24 DE	2015	15	226	107.8	8.03	10.47	2.44

Quintuple system
5 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 184563		Constellation	Draco		HIP	96002		Tycho2	4234-00102-1
Gaia DR2	2241802749027098880		HD	184563		BD	BD+63 1533		Distance	467.29
Distance ly	1524.3