09020+4722 ES  598

 
 
09h 02m 00.40s +47 21' 46.8" P.A. 265 sep 8.7 mag 8.99,10.90 Sp A2
 
 
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.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
265.2
Precise sep
8.71
Constellation
Ursa Major
SAO
42650
Tycho2
3424-00314-1
HD
77078
last precise pa
265.2
last precise sep
8.71
 
 
WDS HISTORIC DATA
 
 
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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