18026-2415 ARG  31AC

 
 
18H 02M 38.62S -24 15' 19.3" P.A. 26 SEP 35.3 MAG 7.40,8.63 SP B3
 
 
Coord 2000
18026-2415
Discov num
ARG  31
Comp
AC
Coord arcsec 2000
18 02 38.62 -24 15 19.3
Date first
1879
Date last
2013
Obs
18
Pa first
25
Pa last
26
P.A. Now (θ)
26°
Sep first
36.5
Sep last
35.3
Sep. Now (ρ)
35.3"
Mag pri
7.40
Mag sec
8.63
delta mag (ΔM)
1.23
Spectral class
B3 (blue-white)
Pri motion ra
-002
Sec motion ra
+001
Pri motion dec
-004
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
18026-2415 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 186152 18026-2415 RST3149 AB 1935 2002 3 62 1.7 7.40 12.40 5.00
Show 186152 18026-2415 ARG 31 AC 1879 2013 18 26 35.3 7.40 8.63 1.23 <===
Show 186152 18026-2415 BU 1462 AD 1879 2013 7 196 27.5 7.40 11.69 4.29
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
186152
Tycho2
6842-01723-1
HD
164536
last precise pa
26.4
last precise sep
35.27