00052+4514 BU 9001AC

Coord 2000	00052+4514		Discov num	BU 9001		Comp	AC		Coord arcsec 2000	00 05 09.75 +45 13 44.5
Date first	1893		Date last	2016		Obs	26
Pa first	236		Pa last	235		P.A. Now (θ)	235°
Sep first	21.4		Sep last	21.0		Sep. Now (ρ)	21"
Mag pri	6.69		Mag sec	10.58		delta mag (ΔM)	3.89		Spectral class	A1Vn (white)
Pri motion ra	-027		Sec motion ra	-031
Pri motion dec	-020		Sec motion dec	-022
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.118 (< 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		36042	00052+4514	ES 9001	AB	1914	2016	9	107	16.0	6.70	13.70	7.00
Show			00052+4514	BU 9001	AC	1893	2016	26	235	21.0	6.69	10.58	3.89		<===

Triple system
3 visible stars in this system

Precise pa	234.8		Precise sep	21.02		Constellation	Andromeda		SAO	36042
HIP	424		Tycho2	3246-01952-1		Gaia DR2	4958214400		HD	3
HR	1		BD	BD+44 4550		Distance	138.5		Distance ly	451.79

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00052+4514	BU 9001	AC	2005	20	236	21.4	6.69	10.58		N D	000509.75+451344.5
00052+4514	BU 9001	AC	2007	21	238	21.9	6.69	10.58		N D	000509.75+451344.5
00052+4514	BU 9001	AC	2008	22	236	21.7	6.69	10.58		N D	000509.75+451344.5
00052+4514	BU 9001	AC	2016	24	235	21.0	6.69	10.58	A1Vn	NV	000509.75+451344.5

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