00313+6321 BU  107AF

Coord 2000	00313+6321		Discov num	BU  107		Comp	AF		Coord arcsec 2000	00 31 17.66 +63 20 33.0
Date first	1898		Date last	2015		Obs	18
Pa first	115		Pa last	114		P.A. Now (θ)	114°
Sep first	150.5		Sep last	154.0		Sep. Now (ρ)	154"
Mag pri	11.14		Mag sec	11.31		delta mag (ΔM)	0.17		Spectral class
Pri motion ra	-003		Sec motion ra	+023
Pri motion dec	-001		Sec motion dec	-023
Notes

rPM=1.047 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			00 31 18 +63 20 33	BU 107 AB	2019	43	354	5.8	11.14	11.73	0.59
Show			00 31 18 +63 20 33	BU 107 AC	2015	19	337	46.8	11.14	9.58	1.56
Show			00 31 18 +63 20 33	BU 107 AD	2015	19	145	51.7	11.14	9.93	1.21
Show			00 31 18 +63 20 33	BU 107 AE	2015	17	171	111.5	11.14	10.16	0.98
Show			00 31 18 +63 20 33	BU 107 AF	2015	18	114	154.0	11.14	11.31	0.17		<===
Show			00 31 18 +63 20 33	LV 13 AG	2015	12	265	21.1	11.14	12.20	1.06
Show			00 31 18 +63 20 33	BU 107 AH	2015	14	93	46.0	11.14	12.93	1.79
Show			00 31 18 +63 20 39	BU 107 BC	2015	19	334	41.3	11.73	9.58	2.15
Show			00 31 18 +63 20 39	BU 107 BD	2015	20	148	56.9	11.73	9.93	1.80
Show			00 31 15 +63 21 16	BU 107 CD	2015	21	151	98.0	9.58	9.93	0.35
Show			00 31 15 +63 21 16	BU 107 CE	2015	18	167	157.3	9.58	10.16	0.58
Show			00 31 22 +63 19 50	BU 107 DE	2015	18	191	69.0	9.93	10.16	0.23
Show			00 31 20 +63 18 42	BU 107 ET	2015	7	142	11.4	10.16	17.70	7.54

Ninefold system
9 visible stars in this system

Precise pa	114.3		Precise sep	154.017		Constellation	Cassiopeia		HIP	2460
Tycho2	4019-01038-1		Gaia DR2	430886791482053760		Distance	276.24		Distance ly	901.09

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00313+6321	BU 107	AF	2001	11	115	154.3	11.14	11.31		D	003117.66+632033.0
00313+6321	BU 107	AF	2003	12	114	153.7	11.14	11.31		D	003117.66+632033.0
00313+6321	BU 107	AF	2012	13	115	154.3	11.14	11.31		D	003117.66+632033.0
00313+6321	BU 107	AF	2014	14	114	154.1	11.14	11.31			003117.66+632033.0
00313+6321	BU 107	AF	2015	15	114	154.0	11.14	11.31			003117.66+632033.0

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