10347+4639 ES  918

Coord 2000	10347+4639		Discov num	ES  918		Comp			Coord arcsec 2000	10 34 45.72 +46 38 45.0
Date first	1904		Date last	2017		Obs	7
Pa first	195		Pa last	186		P.A. Now (θ)	186°
Sep first	4.1		Sep last	3.3		Sep. Now (ρ)	3.3"
Mag pri	12.00		Mag sec	12.20		delta mag (ΔM)	0.2		Spectral class
Pri motion ra	+016		Sec motion ra	+019
Pri motion dec	-011		Sec motion dec	-028
Notes

rPM=0.51 Nature of this double is uncertain.

Precise pa	185.7		Precise sep	3.26		Constellation	Ursa Major		Tycho2	3442-01156-1
last precise pa	185.7		last precise sep	3.26

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10347+4639	ES 918		2002	4	189	3.4	10.60	10.80			103445.72+463845.0
10347+4639	ES 918		2012	6	189	3.4	10.60	10.80			103445.72+463845.0
10347+4639	ES 918		2017	7	186	3.3	12.00	12.20			103445.72+463845.0

If you need more information about this double, apply for a data request form to the WDS.