20187+5823 TDT2157

 
 
20h 18m 41.82s +58 23' 13.2" P.A. 35.00 sep 0.8 mag 10.83,10.83
 
 
Coord 2000
20187+5823
Discov num
TDT2157
Comp
Coord arcsec 2000
20 18 41.82 +58 23 13.2
Date first
1991
Date last
2007
Obs
2
Pa first
36
Pa last
35
P.A. Now (θ)
35°
Sep first
0.4
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
10.83
Mag sec
10.83
delta mag (ΔM)
0
Spectral class
Pri motion ra
+013
Sec motion ra
+013
Pri motion dec
+024
Sec motion dec
+024
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
35.3
Precise sep
0.765
Constellation
Cygnus
Tycho2
3949-00314-1
Gaia DR2
24268317696
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20187+5823 TDT2157 1991 1 36 0.4 10.83 10.83 201841.82+582313.2
20187+5823 TDT2157 2007 2 35 0.8 10.83 10.83 201841.82+582313.2

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