21579+1759 GWP3109

 
 
21h 57m 55.83s +17 58' 49.7" P.A. 338 sep 7.2 mag 16.00,16.10
 
 
Coord 2000
21579+1759
Discov num
GWP3109
Comp
Coord arcsec 2000
21 57 55.83 +17 58 49.7
Date first
1990
Date last
2015
Obs
5
Pa first
341
Pa last
338
P.A. Now (θ)
338°
Sep first
7.4
Sep last
7.2
Sep. Now (ρ)
7.2"
Mag pri
16.00
Mag sec
16.10
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-052
Sec motion ra
-054
Pri motion dec
-016
Sec motion dec
-006
Notes
V (Proper motion indicates physical)
rPM=0.555
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
last precise pa
337.6
last precise sep
7.198
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21579+1759 GWP3109 1999 2 337 7.2 16.00 16.10 V 215755.83+175849.7
21579+1759 GWP3109 2010 4 337 6.1 16.00 16.10 V 215755.83+175849.7
21579+1759 GWP3109 2015 5 338 7.2 16.00 16.10 V 215755.83+175849.7

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