17257-2138 TDT 345

 
 
17h 25m 43.19s -21 37' 40.0" P.A. 303 sep 1.7 mag 10.94,11.35
 
 
Coord 2000
17257-2138
Discov num
TDT 345
Comp
Coord arcsec 2000
17 25 43.19 -21 37 40.0
Date first
1991
Date last
1991
Obs
1
Pa first
303
Pa last
303
P.A. Now (θ)
303°
Sep first
1.7
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
10.94
Mag sec
11.35
delta mag (ΔM)
0.41
Spectral class
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
+004
Sec motion dec
+004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
303.3
Precise sep
1.68
Constellation
Ophiuchus
Tycho2
6246-00182-1
HD
157706
last precise pa
303.3
last precise sep
1.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17257-2138 TDT 345 1991 1 303 1.7 10.94 11.35 172543.19-213740.0

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