20223+4930 TDT2212

 
 
20h 22m 20.79s +49 29' 49.5" P.A. 356 sep 2.5 mag 12.19,12.58
 
 
Coord 2000
20223+4930
Discov num
TDT2212
Comp
Coord arcsec 2000
20 22 20.79 +49 29 49.5
Date first
1991
Date last
2015
Obs
3
Pa first
355
Pa last
356
P.A. Now (θ)
356°
Sep first
2.6
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
12.19
Mag sec
12.58
delta mag (ΔM)
0.39
Spectral class
Pri motion ra
+005
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.5
Precise sep
2.499
Constellation
Cygnus
Tycho2
3580-00622-1
Gaia DR2
07415998464
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20223+4930 TDT2212 1991 1 355 2.6 12.19 12.58 202220.79+492949.5
20223+4930 TDT2212 2015 2 356 2.5 12.19 12.58 202220.79+492949.5

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