16581-3013 HJ 4903AC

 
 
16h 58m 06.95s -30 12' 58.1" P.A. 90 sep 18.8 mag 9.16,10.78 Sp F3V dist. 427.35 pc (1394.02 l.y.)
 
 
Coord 2000
16581-3013
Discov num
HJ 4903
Comp
AC
Coord arcsec 2000
16 58 06.95 -30 12 58.1
Date first
1834
Date last
2001
Obs
13
Pa first
89
Pa last
90
P.A. Now (θ)
90°
Sep first
15.0
Sep last
18.8
Sep. Now (ρ)
18.8"
Mag pri
9.16
Mag sec
10.78
delta mag (ΔM)
1.62
Spectral class
F3V (yellow-white)
Pri motion ra
-005
Sec motion ra
+001
Pri motion dec
-085
Sec motion dec
-031
Notes
rPM=0.638
Nature of this double is uncertain.
 
 
16581-3013 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 208244 16581-3013 SEE 508 AB 1898 1991 12 189 1.5 9.16 9.49 0.33
Show 208244 16581-3013 HJ 4903 AC 1834 2001 13 90 18.8 9.16 10.78 1.62 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
89.5
Precise sep
18.752
Constellation
Scorpius
SAO
208244
HIP
83038
Tycho2
7360-00742-1
HD
153002
CD
CD-3013648
Distance
427.35
Distance ly
1394.02
last precise pa
89.5
last precise sep
18.752
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16581-3013 HJ 4903 AC 1998 11 89 18.7 9.16 10.78 D 165806.95-301258.1
16581-3013 HJ 4903 AC 2001 13 90 18.8 9.16 10.78 D 165806.95-301258.1

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