20247+5446 TDT2247

 
 
20h 24m 42.18s +54 45' 35.1" P.A. 213 sep 0.6 mag 11.53,11.57
 
 
Coord 2000
20247+5446
Discov num
TDT2247
Comp
Coord arcsec 2000
20 24 42.18 +54 45 35.1
Date first
1991
Date last
1991
Obs
1
Pa first
213
Pa last
213
P.A. Now (θ)
213°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
11.53
Mag sec
11.57
delta mag (ΔM)
0.04
Spectral class
Pri motion ra
-016
Sec motion ra
-016
Pri motion dec
-014
Sec motion dec
-014
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
213.4
Precise sep
0.61
Constellation
Cygnus
Tycho2
3941-00155-1
Gaia DR2
19523117440
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20247+5446 TDT2247 1991 1 213 0.6 11.53 11.57 202442.18+544535.1

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