18391+0535 GWP2789AB

 
 
18h 39m 05.81s +05 34' 21.0" P.A. 359 sep 35.4 mag 12.40,16.00
 
 
Coord 2000
18391+0535
Discov num
GWP2789
Comp
AB
Coord arcsec 2000
18 39 05.81 +05 34 21.0
Date first
1950
Date last
2000
Obs
4
Pa first
359
Pa last
359
P.A. Now (θ)
359°
Sep first
34.9
Sep last
35.4
Sep. Now (ρ)
35.4"
Mag pri
12.40
Mag sec
16.00
delta mag (ΔM)
3.6
Spectral class
Pri motion ra
-031
Sec motion ra
-035
Pri motion dec
-098
Sec motion dec
-104
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.066 (< 0.3, Physical double)
This double is physical.
 
 
18391+0535 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18391+0535 GWP2789 AB 1950 2000 4 359 35.4 12.40 16.00 3.60 <===
Show 18391+0535 GWP2790 AC 1950 1999 3 267 107.2 12.40 16.20 3.80
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
359.1
Precise sep
35.41
Constellation
Serpens
last precise pa
359.1
last precise sep
35.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18391+0535 GWP2789 AB 2000 4 359 35.4 12.40 16.00 V R 183905.81+053421.0

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