20222+5437 STI2521

 
 
20h 21m 08.72s +54 37' 08.4" P.A. 123 sep 7.1 mag 11.30,11.30
 
 
Coord 2000
20222+5437
Discov num
STI2521
Comp
Coord arcsec 2000
20 21 08.72 +54 37 08.4
Date first
1901
Date last
2015
Obs
12
Pa first
119
Pa last
123
P.A. Now (θ)
123°
Sep first
6.7
Sep last
7.1
Sep. Now (ρ)
7.1"
Mag pri
11.30
Mag sec
11.30
delta mag (ΔM)
0
Spectral class
Pri motion ra
+020
Sec motion ra
+023
Pri motion dec
+072
Sec motion dec
+061
Notes
rPM=0.153 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
122.7
Precise sep
7.128
Constellation
Cygnus
Gaia DR2
15131934592
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20222+5437 STI2521 1999 5 123 7.1 11.30 11.30 D 202108.72+543708.4
20222+5437 STI2521 2003 6 123 7.0 11.30 11.30 D 202108.72+543708.4
20222+5437 STI2521 2010 7 122 7.0 11.30 11.30 202108.72+543708.4
20222+5437 STI2521 2015 8 123 7.1 11.30 11.30 202108.72+543708.4

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