11552+1643 COU  51AB

 
 
11h 55m 12.67s +16 43' 20.2" P.A. 163 sep 1.3 mag 11.33,11.30 Sp G0
 
 
Coord 2000
11552+1643
Discov num
COU  51
Comp
AB
Coord arcsec 2000
11 55 12.67 +16 43 20.2
Date first
1965
Date last
2008
Obs
5
Pa first
162
Pa last
163
P.A. Now (θ)
163°
Sep first
1.2
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
11.33
Mag sec
11.30
delta mag (ΔM)
0.03
Spectral class
G0 (yellow)
Pri motion ra
-050
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
11552+1643 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 99865 11552+1643 TDS8112 Aa,Ab 1991 1991 1 176 1.3 11.36 11.82 0.46
Show 99865 11552+1643 COU 51 AB 1965 2008 5 163 1.3 11.33 11.30 0.03 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
163.4
Precise sep
1.258
Constellation
Leo
SAO
99865
Tycho2
1441-00901-1
last precise pa
163.4
last precise sep
1.258
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11552+1643 COU 51 AB 2000 4 165 1.1 11.33 11.30 G0 115512.67+164320.2
11552+1643 COU 51 AB 2008 5 163 1.3 11.33 11.30 G0 115512.67+164320.2

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