17305-7455 TDT 390

 
 
17h 30m 29.06s -74 54' 31.0" P.A. 284 sep 0.5 mag 10.90,11.05
 
 
Coord 2000
17305-7455
Discov num
TDT 390
Comp
Coord arcsec 2000
17 30 29.06 -74 54 31.0
Date first
1991
Date last
1991
Obs
1
Pa first
284
Pa last
284
P.A. Now (θ)
284°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.90
Mag sec
11.05
delta mag (ΔM)
0.15
Spectral class
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
+009
Sec motion dec
+009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
283.9
Precise sep
0.49
Constellation
Apus
Tycho2
9288-02181-1
last precise pa
283.9
last precise sep
0.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17305-7455 TDT 390 1991 1 284 0.5 10.90 11.05 173029.06-745431.0

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