10303+6321 ES 1905BC

 
 
10H 30M 21.97S +63 21' 11.9" P.A. 206 SEP 3.9 MAG 11.60,13.40
 
 
Coord 2000
10303+6321
Discov num
ES 1905
Comp
BC
Coord arcsec 2000
10 30 21.97 +63 21 11.9
Date first
1921
Date last
1999
Obs
2
Pa first
200
Pa last
206
P.A. Now (θ)
206°
Sep first
4.0
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
11.60
Mag sec
13.40
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
-026
Sec motion ra
Pri motion dec
-033
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
10303+6321 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 15199 10303+6321 ES 1905 AB 1909 2003 4 67 42.4 8.59 12.64 4.05
Show 10303+6321 ES 1905 BC 1921 1999 2 206 3.9 11.60 13.40 1.80 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Major
last precise pa
206.4
last precise sep
3.88