09020+4722 ES  598

Coord 2000	09020+4722		Discov num	ES  598		Comp			Coord arcsec 2000	09 02 00.40 +47 21 46.8
Date first	1897		Date last	2015		Obs	11
Pa first	265		Pa last	265		P.A. Now (θ)	265°
Sep first	7.2		Sep last	8.7		Sep. Now (ρ)	8.7"
Mag pri	8.99		Mag sec	10.90		delta mag (ΔM)	1.91		Spectral class	A2 (white)
Pri motion ra	-022		Sec motion ra	-090
Pri motion dec	-012		Sec motion dec	-016
Notes

rPM=0.745 Nature of this double is uncertain.

Precise pa	265.2		Precise sep	8.71		Cdsa2 id	ES 598		Constellation	Ursa Major
SAO	42650		Tycho2	3424-00314-1		HD	77078		Ra deg	9.033444444444445
De deg	47.363		last precise pa	265.2		last precise sep	8.71

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
09020+4722	ES 598		1998	7	266	8.6	8.99	10.90	A2	D	090200.40+472146.8
09020+4722	ES 598		2002	8	266	8.5	8.99	10.90	A2	D	090200.40+472146.8
09020+4722	ES 598		2015	9	265	8.7	8.99	10.90	A2		090200.40+472146.8

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