18387+1800 GRV 235

 
 
18h 38m 43.46s +18 00' 23.7" P.A. 332 sep 8 mag 11.40,11.60
 
 
Coord 2000
18387+1800
Discov num
GRV 235
Comp
Coord arcsec 2000
18 38 43.46 +18 00 23.7
Date first
1900
Date last
2013
Obs
5
Pa first
331
Pa last
332
P.A. Now (θ)
332°
Sep first
7.9
Sep last
8.0
Sep. Now (ρ)
8"
Mag pri
11.40
Mag sec
11.60
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-015
Sec motion ra
-019
Pri motion dec
-047
Sec motion dec
-042
Notes
rPM=0.13 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
331.5
Precise sep
7.95
Constellation
Hercules
last precise pa
331.5
last precise sep
7.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18387+1800 GRV 235 2000 4 331 7.8 11.40 11.60 D 183843.46+180023.7
18387+1800 GRV 235 2001 5 331 7.8 11.40 11.60 D 183843.46+180023.7
18387+1800 GRV 235 2013 5 332 8.0 11.40 11.60 183843.46+180023.7

If you need more information about this double, apply for a data request form to the WDS.