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
 
 
Precise pa
269.7
Precise sep
86.29
Cdsa2 id
GWP 2643
Constellation
Ophiuchus
Ra deg
16.533002777777778
De deg
-17.266055555555557
last precise pa
269.7
last precise sep
86.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16320-1716 GWP2643 1998 2 270 85.8 18.50 18.50 V R 163158.81-171557.8
16320-1716 GWP2643 2010 3 270 86.1 18.50 18.50 V R 163158.81-171557.8

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