16550-2431 B   323

 
 
16h 54m 57.17s -24 30' 29.8" P.A. 92 sep 0.4 mag 8.35,9.46 Sp F5V dist. 168.63 pc (550.07 l.y.)
 
 
Coord 2000
16550-2431
Discov num
B   323
Comp
Coord arcsec 2000
16 54 57.17 -24 30 29.8
Date first
1926
Date last
1991
Obs
17
Pa first
127
Pa last
92
P.A. Now (θ)
92°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
8.35
Mag sec
9.46
delta mag (ΔM)
1.11
Spectral class
F5V (yellow-white)
Pri motion ra
-027
Sec motion ra
-027
Pri motion dec
-011
Sec motion dec
-011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
91.9
Precise sep
0.42
Constellation
Ophiuchus
SAO
184791
HIP
82770
Tycho2
6814-00753-1
HD
152535
CD
CD-2412935
CP
CP-24 5768
Distance
168.63
Distance ly
550.07
last precise pa
91.9
last precise sep
0.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16550-2431 B 323 1991 17 92 0.4 8.35 9.46 F5V D 165457.17-243029.8

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