17085-2120 TDT 228

 
 
17h 08m 28.31s -21 20' 13.4" P.A. 278 sep 2.6 mag 11.05,11.37
 
 
Coord 2000
17085-2120
Discov num
TDT 228
Comp
Coord arcsec 2000
17 08 28.31 -21 20 13.4
Date first
1991
Date last
1999
Obs
2
Pa first
277
Pa last
278
P.A. Now (θ)
278°
Sep first
2.5
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
11.05
Mag sec
11.37
delta mag (ΔM)
0.32
Spectral class
Pri motion ra
+038
Sec motion ra
-036
Pri motion dec
-003
Sec motion dec
-004
Notes
rPM=1.942
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
278.2
Precise sep
2.598
Constellation
Ophiuchus
Tycho2
6244-00291-1
HD
154804
last precise pa
278.2
last precise sep
2.598
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17085-2120 TDT 228 1991 1 277 2.5 11.05 11.37 170828.31-212013.4
17085-2120 TDT 228 1999 2 278 2.6 11.05 11.37 170828.31-212013.4

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