18518-0505 WFC 213

 
 
18h 51m 46.86s -05 05' 15.9" P.A. 308 sep 8.9 mag 9.65,9.69
 
 
Coord 2000
18518-0505
Discov num
WFC 213
Comp
Coord arcsec 2000
18 51 46.86 -05 05 15.9
Date first
1892
Date last
2016
Obs
9
Pa first
314
Pa last
308
P.A. Now (θ)
308°
Sep first
8.6
Sep last
8.9
Sep. Now (ρ)
8.9"
Mag pri
9.65
Mag sec
9.69
delta mag (ΔM)
0.04
Spectral class
Pri motion ra
-025
Sec motion ra
-028
Pri motion dec
-042
Sec motion dec
-042
Notes
rPM=0.059 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
308.3
Precise sep
8.917
Constellation
Scutum
Tycho2
5122-00688-1
HD
174667
last precise pa
308.3
last precise sep
8.917
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18518-0505 WFC 213 2005 6 308 8.9 9.65 9.69 D 185146.86-050515.9
18518-0505 WFC 213 2010 8 308 8.2 9.65 9.69 185146.86-050515.9
18518-0505 WFC 213 2016 9 308 8.9 9.65 9.69 185146.86-050515.9

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