10026+5447 UC 1871AB

Coord 2000	10026+5447		Discov num	UC 1871		Comp	AB		Coord arcsec 2000	10 02 34.19 +54 47 28.7
Date first	1999		Date last	2015		Obs	7
Pa first	142		Pa last	143		P.A. Now (θ)	143°
Sep first	55.8		Sep last	55.5		Sep. Now (ρ)	55.5"
Mag pri	11.78		Mag sec	14.84		delta mag (ΔM)	3.06		Spectral class
Pri motion ra	-073		Sec motion ra	-103
Pri motion dec	-144		Sec motion dec	-135
Notes	V (Proper motion indicates physical)

rPM=0.184 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			10 02 34 +54 47 29	UC 1871 AB	2015	7	143	55.5	11.78	14.84	3.06		<===
Show			10 02 34 +54 47 29	UC 1871 AC	2015	6	147	60.3	11.78	14.84	3.06
Show			10 02 38 +54 46 44	UC 1871 BC	2016	8	186	6.5	14.60	16.30	1.70

Triple system
3 visible stars in this system

Precise pa	142.6		Precise sep	55.46		Constellation	Ursa Major		Tycho2	3814-00243-1
Gaia DR2	1044870778958707584

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10026+5447	UC 1871	AB	2000	2	143	55.8	11.80	14.80		V	100234.19+544728.7
10026+5447	UC 1871	AB	2003	2	142	55.8	11.80	14.80		V	100234.19+544728.7
10026+5447	UC 1871	AB	2015	3	143	55.5	11.78	14.84		V	100234.19+544728.7

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