00139+6323 BU 1309AD

Coord 2000	00139+6323		Discov num	BU 1309		Comp	AD		Coord arcsec 2000	00 13 59.71 +63 24 19.1
Date first	1903		Date last	2015		Obs	10
Pa first	130		Pa last	130		P.A. Now (θ)	130°
Sep first	74.0		Sep last	74.1		Sep. Now (ρ)	74.1"
Mag pri	11.28		Mag sec	10.69		delta mag (ΔM)	0.59		Spectral class
Pri motion ra	-002		Sec motion ra	-003
Pri motion dec	+005		Sec motion dec	+000
Notes	N (See Notes)

rPM=0.947 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			00139+6323	BU 1309	AB	1903	2015	5	172	2.1	11.28	11.97	0.69
Show			00139+6323	HJ 1006	AC	1828	2015	7	259	9.3	11.28	12.10	0.82
Show			00139+6323	BU 1309	AD	1903	2015	10	130	74.1	11.28	10.69	0.59		<===

Quadruple system
4 visible stars in this system

Precise pa	129.9		Precise sep	74.116		Constellation	Cassiopeia		Tycho2	4018-01930-1
Gaia DR2	2539205376

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00139+6323	BU 1309	AD	1999	8	130	73.6	11.28	10.69		N D	001359.71+632419.1
00139+6323	BU 1309	AD	2003	9	130	73.9	11.28	10.69		N D	001359.71+632419.1
00139+6323	BU 1309	AD	2015	10	130	74.1	11.28	10.69		N	001359.71+632419.1

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