11517+2344 COU 391

 
 
11h 51m 42.81s +23 44' 26.8" P.A. 309 sep 0.3 mag 11.05,12.13 Sp G0 dist. 170.36 pc (555.71 l.y.)
 
 
Coord 2000
11517+2344
Discov num
COU 391
Comp
Coord arcsec 2000
11 51 42.81 +23 44 26.8
Date first
1969
Date last
2008
Obs
5
Pa first
306
Pa last
309
P.A. Now (θ)
309°
Sep first
0.5
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
11.05
Mag sec
12.13
delta mag (ΔM)
1.08
Spectral class
G0 (yellow)
Pri motion ra
-022
Sec motion ra
Pri motion dec
-037
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
309.1
Precise sep
0.303
Constellation
Leo
HIP
57842
Tycho2
1985-00412-1
BD
BD+24 2401
Distance
170.36
Distance ly
555.71
last precise pa
309.1
last precise sep
0.303
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11517+2344 COU 391 1997 4 310 0.4 11.05 12.13 G0 115142.81+234426.8
11517+2344 COU 391 2008 5 309 0.3 11.05 12.13 G0 115142.81+234426.8

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