18178-1537 J  2205AC

 
 
18h 17m 49.12s -15 37' 21.8" P.A. 47 sep 13.9 mag 11.00,14.50
 
 
Coord 2000
18178-1537
Discov num
J  2205
Comp
AC
Coord arcsec 2000
18 17 49.12 -15 37 21.8
Date first
1942
Date last
2001
Obs
3
Pa first
45
Pa last
47
P.A. Now (θ)
47°
Sep first
15.0
Sep last
13.9
Sep. Now (ρ)
13.9"
Mag pri
11.00
Mag sec
14.50
delta mag (ΔM)
3.5
Spectral class
Pri motion ra
Sec motion ra
Pri motion dec
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18178-1537 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18178-1537 J 2205 AB 1942 2001 2 100 4.6 11.00 13.00 2.00
Show 18178-1537 J 2205 AC 1942 2001 3 47 13.9 11.00 14.50 3.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
47.2
Precise sep
13.86
Constellation
Serpens
last precise pa
47.2
last precise sep
13.86
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18178-1537 J 2205 AC 2001 3 47 13.9 11.00 14.50 D 181749.12-153721.8
18178-1537 J 2205 AC 2010 4 54 15.7 11.00 14.50 181749.12-153721.8

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