08521+4734 ENG  40AC

Coord 2000	08521+4734		Discov num	ENG  40		Comp	AC		Coord arcsec 2000	08 52 05.53 +47 33 49.6
Date first	1893		Date last	2015		Obs	21
Pa first	280		Pa last	286		P.A. Now (θ)	286°
Sep first	220.4		Sep last	230.7		Sep. Now (ρ)	230.7"
Mag pri	8.20		Mag sec	10.56		delta mag (ΔM)	2.36		Spectral class	G2V (yellow)
Pri motion ra	+047		Sec motion ra	+006
Pri motion dec	-207		Sec motion dec	-008
Notes

rPM=0.957 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		42578	08521+4734	ENG 40	AB	1873	2015	29	325	184.7	8.20	9.99	1.79
Show		42578	08521+4734	ENG 40	AC	1893	2015	21	286	230.7	8.20	10.56	2.36		<===
Show		42574	08521+4734	ENG 40	BC	1893	2015	21	233	144.4	9.99	10.56	0.57

Triple system
3 visible stars in this system

Precise pa	286		Precise sep	230.691		Constellation	Ursa Major		SAO	42578
HIP	43543		Tycho2	3420-01910-1		Gaia DR2	24501552896		HD	75488
BD	BD+48 1693		Distance	65.45		Distance ly	213.5

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
08521+4734	ENG 40	AC	1998	11	285	229.2	8.20	10.56	G2V	D	085205.53+473349.6
08521+4734	ENG 40	AC	2002	16	286	229.6	8.20	10.56	G2V	D	085205.53+473349.6
08521+4734	ENG 40	AC	2015	17	286	230.7	8.20	10.56	G2V		085205.53+473349.6

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