00531+6107 BU  497AB

Coord 2000	00531+6107		Discov num	BU  497		Comp	AB		Coord arcsec 2000	00 53 04.28 +61 07 24.8
Date first	1878		Date last	2015		Obs	26
Pa first	172		Pa last	170		P.A. Now (θ)	170°
Sep first	121.2		Sep last	146.0		Sep. Now (ρ)	146"
Mag pri	4.85		Mag sec	9.79		delta mag (ΔM)	4.94		Spectral class	F7V (yellow-white)
Pri motion ra	-069		Sec motion ra	-003
Pri motion dec	+170		Sec motion dec	+004
Notes	N L U (See Notes, Linear solution, Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=0.974 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		11444	00531+6107	BU 497	AB	1878	2015	26	170	146.0	4.85	9.79	4.94		<===
Show		11444	00531+6107	BU 497	AD	1922	2003	5	145	107.2	4.85	12.09	7.24
Show		11444	00531+6107	BU 497	AE	1922	2012	5	45	123.2	4.85	12.82	7.97
Show		11444	00531+6107	CSN 2	AF	2002	2002	1	38	13.5	3.54	9.70	6.16
Show		11445	00531+6107	BU 497	BC	1877	2008	8	154	0.7	9.79	12.30	2.51

Sextuple system
6 visible stars in this system

Precise pa	169.7		Precise sep	145.983		Constellation	Cassiopeia		SAO	11444
HIP	4151		Gaia DR2	5301550208		HD	5015		HR	244
GL	Gl 41		BD	BD+60 124		Distance	18.74		Distance ly	61.13

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00531+6107	BU 497	AB	2003	22	172	145.0	4.85	9.79	F7V	NLD	005304.28+610724.8
00531+6107	BU 497	AB	2012	24	171	146.1	4.85	9.79	F7V	NLD	005304.28+610724.8
00531+6107	BU 497	AB	2015	26	170	146.0	4.85	9.79	F7V	NL U	005304.28+610724.8

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