03156+5245 ES  768AB

Coord 2000	03156+5245		Discov num	ES  768		Comp	AB		Coord arcsec 2000	03 15 37.41 +52 44 59.2
Date first	1903		Date last	2002		Obs	6
Pa first	315		Pa last	315		P.A. Now (θ)	315°
Sep first	74.2		Sep last	75.8		Sep. Now (ρ)	75.8"
Mag pri	8.66		Mag sec	11.71		delta mag (ΔM)	3.05		Spectral class	A0 (white)
Pri motion ra	+013		Sec motion ra	-013
Pri motion dec	-018		Sec motion dec	-003
Notes

rPM=1.352 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		23904	03156+5245	ES 768	AB	1903	2002	6	315	75.8	8.66	11.71	3.05		<===
Show		23904	03156+5245	ES 768	AD	1998	2002	2	346	36.5	8.66	13.18	4.52
Show			03156+5245	ES 768	BC	1909	2003	4	46	2.8	11.71	13.20	1.49

Quadruple system
4 visible stars in this system

Precise pa	315.3		Precise sep	75.757		Constellation	Perseus		SAO	23904
HIP	15179		Tycho2	3702-00319-1		HD	20054		BD	BD+52 672
Distance	238.66		Distance ly	778.51		last precise pa	315.3		last precise sep	75.757

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
03156+5245	ES 768	AB	1998	5	316	75.5	8.66	11.71	A0	D	031537.41+524459.2
03156+5245	ES 768	AB	2002	6	315	75.8	8.66	11.71	A0	D	031537.41+524459.2

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