00165+2918 BU  487BC

Coord 2000	00165+2918		Discov num	BU  487		Comp	BC		Coord arcsec 2000	00 16 33.04 +29 18 00.0
Date first	1878		Date last	2009		Obs	9
Pa first	265		Pa last	264		P.A. Now (θ)	264°
Sep first	2.0		Sep last	2.4		Sep. Now (ρ)	2.4"
Mag pri	9.83		Mag sec	13.10		delta mag (ΔM)	3.27		Spectral class	A0 (white)
Pri motion ra	-020		Sec motion ra
Pri motion dec	+007		Sec motion dec
Notes

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		73862	00165+2918	STF 17	AB	1828	2015	34	29	26.7	8.39	9.83	1.44
Show		73863	00165+2918	BU 487	BC	1878	2009	9	264	2.4	9.83	13.10	3.27		<===

Triple system
3 visible stars in this system

Precise pa	264.1		Precise sep	2.4		Constellation	Andromeda		SAO	73863
Tycho2	1736-01866-1		last precise pa	264.1		last precise sep	2.4

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00165+2918	BU 487	BC	1970	8	267	2.2	9.83	13.10			001633.04+291800.0
00165+2918	BU 487	BC	2009	9	264	2.4	9.83	13.10	A0		001633.04+291800.0

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