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
Cdsa2 id
GWP 2789 AB
Constellation
Serpens
Ra deg
18.65161388888889
De deg
5.5725
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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