16433-1241 GWP2657

16h 43m 15.52s -12 40' 52.8" P.A. 345 sep 107.9 mag 16.90,17.60

Coord 2000
16433-1241
Discov num
GWP2657
Comp
Coord arcsec 2000
16 43 15.52 -12 40 52.8
Date first
1988
Date last
2010
Obs
3
Pa first
345
Pa last
345
P.A. Now (θ)
345°
Sep first
107.5
Sep last
107.9
Sep. Now (ρ)
107.9"
Mag pri
16.90
Mag sec
17.60
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
-056
Sec motion ra
-048
Pri motion dec
-030
Sec motion dec
-026
Notes
V (Proper motion indicates physical)


rPM=0.141 (< 0.3, Physical double)

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
344.5
Precise sep
107.91
Constellation
Ophiuchus
last precise pa
344.5
last precise sep
107.91




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16433-1241 GWP2657 1998 2 344 107.9 16.90 17.60 V 164315.52-124052.8
16433-1241 GWP2657 2010 3 345 107.9 16.90 17.60 V 164315.52-124052.8

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