18335-0220 GWP2785AC

 
 
18h 33m 30.30s -02 20' 23.5" P.A. 337 sep 278.9 mag 14.00,16.90
 
 
Coord 2000
18335-0220
Discov num
GWP2785
Comp
AC
Coord arcsec 2000
18 33 30.30 -02 20 23.5
Date first
1954
Date last
1999
Obs
3
Pa first
336
Pa last
337
P.A. Now (θ)
337°
Sep first
274.2
Sep last
278.9
Sep. Now (ρ)
278.9"
Mag pri
14.00
Mag sec
16.90
delta mag (ΔM)
2.9
Spectral class
Pri motion ra
+000
Sec motion ra
-048
Pri motion dec
+000
Sec motion dec
-100
Notes
V (Proper motion indicates physical)
rPM=1
This double is physical.
 
 
18335-0220 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18335-0220 GWP2784 AB 1954 2000 4 292 455.1 14.00 15.70 1.70
Show 18335-0220 GWP2785 AC 1954 1999 3 337 278.9 14.00 16.90 2.90 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
336.8
Precise sep
278.89
Constellation
Serpens
last precise pa
336.8
last precise sep
278.89
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18335-0220 GWP2785 AC 1999 3 337 278.9 14.00 16.90 V 183330.30-022023.5

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