17394-7808 TDT 454

 
 
17h 39m 21.54s -78 08' 23.3" P.A. 5 sep 3 mag 11.35,11.68 Sp A0
 
 
Coord 2000
17394-7808
Discov num
TDT 454
Comp
Coord arcsec 2000
17 39 21.54 -78 08 23.3
Date first
1991
Date last
1998
Obs
2
Pa first
4
Pa last
5
P.A. Now (θ)
Sep first
3.0
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
11.35
Mag sec
11.68
delta mag (ΔM)
0.33
Spectral class
A0 (white)
Pri motion ra
-006
Sec motion ra
+004
Pri motion dec
-066
Sec motion dec
+052
Notes
rPM=1.787
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
5.1
Precise sep
2.953
Constellation
Apus
Tycho2
9448-01163-1
last precise pa
5.1
last precise sep
2.953
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17394-7808 TDT 454 1991 1 4 3.0 11.35 11.68 173921.54-780823.3
17394-7808 TDT 454 1998 2 5 3.0 11.35 11.68 173921.54-780823.3

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