20408+3115 TDT2468

 
 
20h 40m 50.48s +31 15' 00.5" P.A. 247.00 sep 1.9 mag 10.60,12.58
 
 
Coord 2000
20408+3115
Discov num
TDT2468
Comp
Coord arcsec 2000
20 40 50.48 +31 15 00.5
Date first
1991
Date last
1991
Obs
1
Pa first
247
Pa last
247
P.A. Now (θ)
247°
Sep first
1.9
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
10.60
Mag sec
12.58
delta mag (ΔM)
1.98
Spectral class
Pri motion ra
-008
Sec motion ra
-008
Pri motion dec
+012
Sec motion dec
+012
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
246.8
Precise sep
1.85
Constellation
Cygnus
Tycho2
2686-00304-1
Gaia DR2
40167835392
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20408+3115 TDT2468 1991 1 247 1.9 10.60 12.58 204050.48+311500.5

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