16517-3009 B   320

 
 
16h 51m 40.28s -30 09' 19.0" P.A. 238 sep 1.2 mag 10.30,10.45 Sp F5
 
 
Coord 2000
16517-3009
Discov num
B   320
Comp
Coord arcsec 2000
16 51 40.28 -30 09 19.0
Date first
1927
Date last
1991
Obs
6
Pa first
233
Pa last
238
P.A. Now (θ)
238°
Sep first
1.4
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
10.30
Mag sec
10.45
delta mag (ΔM)
0.15
Spectral class
F5 (yellow-white)
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
-006
Sec motion dec
-006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
237.6
Precise sep
1.222
Constellation
Scorpius
SAO
208104
Tycho2
7359-00589-2
last precise pa
237.6
last precise sep
1.222
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16517-3009 B 320 1991 6 238 1.2 10.30 10.45 F5 165140.28-300919.0

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