16320-1716 GWP2643

 
 
16H 31M 58.81S -17 15' 57.8" P.A. 270 SEP 86.3 MAG 18.50,18.50
 
 
Coord 2000
16320-1716
Discov num
GWP2643
Comp
Coord arcsec 2000
16 31 58.81 -17 15 57.8
Date first
1995
Date last
2010
Obs
3
Pa first
270
Pa last
270
P.A. Now (θ)
270°
Sep first
85.1
Sep last
86.3
Sep. Now (ρ)
86.3"
Mag pri
18.50
Mag sec
18.50
delta mag (ΔM)
0
Spectral class
Pri motion ra
+002
Sec motion ra
-012
Pri motion dec
-072
Sec motion dec
-072
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.192 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
last precise pa
269.7
last precise sep
86.29