10251+5328 ES  721AC

 
 
10h 25m 06.61s +53 28' 29.6" P.A. 290 sep 32.5 mag 9.97,12.24 Sp F8
 
 
Coord 2000
10251+5328
Discov num
ES  721
Comp
AC
Coord arcsec 2000
10 25 06.61 +53 28 29.6
Date first
1903
Date last
2015
Obs
8
Pa first
288
Pa last
290
P.A. Now (θ)
290°
Sep first
33.7
Sep last
32.5
Sep. Now (ρ)
32.5"
Mag pri
9.97
Mag sec
12.24
delta mag (ΔM)
2.27
Spectral class
F8 (yellow-white)
Pri motion ra
-029
Sec motion ra
-015
Pri motion dec
-014
Sec motion dec
+001
Notes
rPM=0.637
Nature of this double is uncertain.
 
 
10251+5328 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 10251+5328 ES 721 AB 1909 2015 5 138 3.7 9.97 13.50 3.53
Show 10251+5328 ES 721 AC 1903 2015 8 290 32.5 9.97 12.24 2.27 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
289.5
Precise sep
32.48
Cdsa2 id
ES 721 AC
Constellation
Ursa Major
Tycho2
3816-01083-1
Ra deg
10.418502777777777
De deg
53.47488888888889
last precise pa
289.5
last precise sep
32.48
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10251+5328 ES 721 AC 1998 5 289 33.0 9.97 12.24 F8 D 102506.61+532829.6
10251+5328 ES 721 AC 2003 6 289 32.8 9.97 12.24 F8 D 102506.61+532829.6
10251+5328 ES 721 AC 2015 7 290 32.5 9.97 12.24 F8 102506.61+532829.6

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