18335-0220 GWP2784AB

 
 
18h 33m 30.30s -02 20' 23.5" P.A. 292 sep 455.1 mag 14.00,15.70
 
 
Coord 2000
18335-0220
Discov num
GWP2784
Comp
AB
Coord arcsec 2000
18 33 30.30 -02 20 23.5
Date first
1954
Date last
2000
Obs
4
Pa first
291
Pa last
292
P.A. Now (θ)
292°
Sep first
456.6
Sep last
455.1
Sep. Now (ρ)
455.1"
Mag pri
14.00
Mag sec
15.70
delta mag (ΔM)
1.7
Spectral class
Pri motion ra
+000
Sec motion ra
-048
Pri motion dec
+000
Sec motion dec
-106
Notes
V (Proper motion indicates physical)
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
 
 
Constellation
Serpens
last precise pa
291.5
last precise sep
455.052
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18335-0220 GWP2784 AB 1999 3 292 455.1 14.00 15.70 V 183330.30-022023.5
18335-0220 GWP2784 AB 2000 4 292 455.1 14.00 15.70 V 183330.30-022023.5

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