20218+3230 TDT2206

 
 
20h 21m 45.65s +32 29' 45.0" P.A. 213 sep 0.9 mag 11.60,12.34
 
 
Coord 2000
20218+3230
Discov num
TDT2206
Comp
Coord arcsec 2000
20 21 45.65 +32 29 45.0
Date first
1991
Date last
2015
Obs
3
Pa first
215
Pa last
213
P.A. Now (θ)
213°
Sep first
1.1
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
11.60
Mag sec
12.34
delta mag (ΔM)
0.74
Spectral class
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
-013
Sec motion dec
-013
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
212.8
Precise sep
0.903
Constellation
Cygnus
SAO
69891
Tycho2
2676-01080-1
Gaia DR2
18052527360
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20218+3230 TDT2206 1991 1 215 1.1 11.60 12.34 202145.65+322945.0
20218+3230 TDT2206 2009 2 215 0.9 11.60 12.34 202145.65+322945.0
20218+3230 TDT2206 2015 3 213 0.9 11.60 12.34 202145.65+322945.0

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