18582-8325 RST3188AB

 
 
18h 58m 10.03s -83 25' 19.8" P.A. 281 sep 0.4 mag 6.78,7.55 Sp B9/9.5V
 
 
Coord 2000
18582-8325
Discov num
RST3188
Comp
AB
Coord arcsec 2000
18 58 10.03 -83 25 19.8
Date first
1934
Date last
1991
Obs
7
Pa first
320
Pa last
281
P.A. Now (θ)
281°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
6.78
Mag sec
7.55
delta mag (ΔM)
0.77
Spectral class
B9/9.5V (blue-white)
Pri motion ra
+017
Sec motion ra
+017
Pri motion dec
-018
Sec motion dec
-018
Notes
Nature of this double is uncertain.
 
 
18582-8325 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18582-8325 RST3188 AB 1934 1991 7 281 0.4 6.78 7.55 0.77 <===
Show 18582-8325 HJ 5043 AB,C 1835 2000 4 359 44.9 6.78 14.50 7.72
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
280.5
Precise sep
0.41
Constellation
Octans
Tycho2
9523-03026-1
HD
172226
last precise pa
280.5
last precise sep
0.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18582-8325 RST3188 AB 1991 7 281 0.4 6.78 7.55 B9/9.5V D 185810.03-832519.8

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