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
Cdsa2 id
COU 391
Constellation
Leo
HIP
57842
Tycho2
1985-00412-1
BD
BD+24 2401
Ra deg
11.861891666666667
De deg
23.74077777777778
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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