18005-3742 I   230AB

 
 
18H 00M 31.17S -37 41' 57.9" P.A. 139 SEP 6.4 MAG 8.72,10.50 SP G8IV
 
 
Coord 2000
18005-3742
Discov num
I   230
Comp
AB
Coord arcsec 2000
18 00 31.17 -37 41 57.9
Date first
1897
Date last
2000
Obs
14
Pa first
140
Pa last
139
P.A. Now (θ)
139°
Sep first
5.0
Sep last
6.4
Sep. Now (ρ)
6.4"
Mag pri
8.72
Mag sec
10.50
delta mag (ΔM)
1.78
Spectral class
G8IV (yellow)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
+006
Sec motion dec
+000
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18005-3742 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18005-3742 I 230 AB 1897 2000 14 139 6.4 8.72 10.50 1.78 <===
Show 18005-3742 I 230 AC 1951 2000 8 153 62.5 8.72 10.31 1.59
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Corona Austrina
Tycho2
7899-00558-1
HD
163958
last precise pa
139
last precise sep
6.4