19312+6319 BU  655AB

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	1991		Obs	9
Pa first	333		Pa last	329		P.A. Now (θ)	329°
Sep first	1.9		Sep last	2.1		Sep. Now (ρ)	2.1"
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)

Visually invisible, K-band or other infrared star rPM=0.048 (< 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		18379	19312+6319	BU 655	AB	1878	1991	9	329	2.1	8.34	12.00	3.66		<===
Show		18379	19312+6319	STF2549	AC	1832	2018	42	285	28.3	8.34	9.28	0.94
Show		18379	19312+6319	STF2549	AD	1832	2019	43	269	55.8	8.34	8.03	0.31
Show		18379	19312+6319	GUI 24	AE	1911	2015	9	241	153.1	8.34	10.47	2.13
Show		18378	19312+6319	STF2549	DC	1832	2018	43	77	29.2	8.03	9.28	1.25
Show		18378	19312+6319	GUI 24	DE	1902	2015	15	226	107.8	8.03	10.47	2.44

Quintuple system
5 visible stars in this system

Precise pa	328.6		Precise sep	2.1		Constellation	Draco		SAO	18379
HIP	96002		Tycho2	4234-00102-1		Gaia DR2	49027098880		HD	184563
BD	BD+63 1533		Distance	467.29		Distance ly	1524.3

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19312+6319	BU 655	AB	1991	9	329	2.1	8.34	11.37	K0	D	193112.26+631852.3

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