17388-4406 I  1331

 
 
17h 38m 46.35s -44 06' 00.8" P.A. 58 sep 1.3 mag 8.64,8.72 Sp F5V dist. 156.99 pc (512.1 l.y.)
 
 
Coord 2000
17388-4406
Discov num
I  1331
Comp
Coord arcsec 2000
17 38 46.35 -44 06 00.8
Date first
1926
Date last
2017
Obs
9
Pa first
51
Pa last
58
P.A. Now (θ)
58°
Sep first
0.6
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
8.64
Mag sec
8.72
delta mag (ΔM)
0.08
Spectral class
F5V (yellow-white)
Pri motion ra
-010
Sec motion ra
-010
Pri motion dec
-029
Sec motion dec
-029
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
57.7
Precise sep
1.323
Constellation
Scorpius
SAO
228231
HIP
86356
Tycho2
7896-04046-1
HD
159808
CD
CD-4411938
CP
CP-44 8661
Distance
156.99
Distance ly
512.1
last precise pa
57.7
last precise sep
1.323
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17388-4406 I 1331 1991 8 56 1.1 8.64 8.72 F5V D 173846.35-440600.8
17388-4406 I 1331 2017 9 58 1.3 8.64 8.72 F5V 173846.35-440600.8

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