03215+4523 MRI   3AD

Coord 2000	03215+4523		Discov num	MRI   3		Comp	AD		Coord arcsec 2000	03 21 29.80 +45 23 13.4
Date first	1896		Date last	2007		Obs	7
Pa first	267		Pa last	267		P.A. Now (θ)	267°
Sep first	155.4		Sep last	155.6		Sep. Now (ρ)	155.6"
Mag pri	7.42		Mag sec	11.75		delta mag (ΔM)	4.33		Spectral class	B9.5I-II (blue-white)
Pri motion ra	-004		Sec motion ra	-006
Pri motion dec	-003		Sec motion dec	-002
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		38749	03215+4523	HO 319	AB	1892	2007	7	47	11.6	7.42	11.80	4.38
Show		38749	03215+4523	HO 319	AC	1914	2007	4	303	10.0	7.42	14.50	7.08
Show		38749	03215+4523	MRI 3	AD	1896	2007	7	267	155.6	7.42	11.75	4.33		<===

Quadruple system
4 visible stars in this system

Constellation	Perseus		SAO	38749		HIP	15652		Tycho2	3311-02403-1
HD	20676		BD	BD+44 677		Distance	1960.78		Distance ly	6396.06
last precise pa	267.1		last precise sep	155.649

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
03215+4523	MRI 3	AD	2007	4	267	155.6	7.50	12.00			032129.80+452313.4

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