17425-3902 RIZ  20AC

 
 
17h 42m 29.28s -39 01' 47.7" P.A. 18 sep 55.3 mag 2.38,17.00 Sp B1.5III dist. 148.15 pc (483.27 l.y.)
 
 
Coord 2000
17425-3902
Discov num
RIZ  20
Comp
AC
Coord arcsec 2000
17 42 29.28 -39 01 47.7
Date first
1998
Date last
1998
Obs
1
Pa first
18
Pa last
18
P.A. Now (θ)
18°
Sep first
55.3
Sep last
55.3
Sep. Now (ρ)
55.3"
Mag pri
2.38
Mag sec
17.00
delta mag (ΔM)
14.62
Spectral class
B1.5III (blue-white)
Pri motion ra
-006
Sec motion ra
Pri motion dec
-026
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17425-3902 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 209163 17425-3902 RIZ 20 Aa,Ab 2010 2010 0 0.0 2.40 6.60 4.20
Show Kap Sco 209163 17425-3902 RIZ 20 AB 1998 1998 1 191 52.8 2.38 17.00 14.62
Show 209163 17425-3902 RIZ 20 AC 1998 1998 1 18 55.3 2.38 17.00 14.62 <===
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
17.9
Precise sep
55.34
Cdsa2 id
RIZ 20 AC
Constellation
Scorpius
SAO
209163
HIP
86670
HD
160578
HR
6580
GC
23988
CD
CD-3812137
CP
CP-38 6992
Bayer
Kappa Scorpii
Bayer name
Kap Sco
Ra deg
17.708133333333333
De deg
-39.029916666666665
Distance
148.15
Distance ly
483.27
last precise pa
17.9
last precise sep
55.34
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17425-3902 RIZ 20 AC 1998 1 18 55.3 2.38 17.00 B1.5III 174229.28-390147.7

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