21109+1801 COU  69

 
 
21h 10m 57.06s +18 01' 18.6" P.A. 328 sep 1.6 mag 10.50,12.10
 
 
Coord 2000
21109+1801
Discov num
COU  69
Comp
Coord arcsec 2000
21 10 57.06 +18 01 18.6
Date first
1964
Date last
2003
Obs
2
Pa first
332
Pa last
328
P.A. Now (θ)
328°
Sep first
1.7
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
10.50
Mag sec
12.10
delta mag (ΔM)
1.6
Spectral class
Pri motion ra
Sec motion ra
Pri motion dec
+036
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
327.5
Precise sep
1.6
Constellation
Pegasus
Tycho2
1653-00839-1
last precise pa
327.5
last precise sep
1.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21109+1801 COU 69 2003 2 328 1.6 10.50 12.10 211057.06+180118.6

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