20311-7508 TDT2334Aa,Ab

 
 
20h 31m 07.48s -75 07' 38.2" P.A. 180.00 sep 0.4 mag 11.07,11.09
 
 
Coord 2000
20311-7508
Discov num
TDT2334
Comp
Aa,Ab
Coord arcsec 2000
20 31 07.48 -75 07 38.2
Date first
1991
Date last
1991
Obs
1
Pa first
180
Pa last
180
P.A. Now (θ)
180°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
11.07
Mag sec
11.09
delta mag (ΔM)
0.02
Spectral class
Pri motion ra
-007
Sec motion ra
-007
Pri motion dec
+030
Sec motion dec
+030
Notes
W
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
179.7
Precise sep
0.42
Constellation
Octans
Tycho2
9460-00348-1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20311-7508 TDT2334 Aa,Ab 1991 1 180 0.4 11.07 11.09 W 203107.48-750738.2

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