17070-2705 I  1310

 
 
17h 07m 00.32s -27 05' 29.7" P.A. 160 sep 1.9 mag 9.97,10.16 Sp F5V
 
 
Coord 2000
17070-2705
Discov num
I  1310
Comp
Coord arcsec 2000
17 07 00.32 -27 05 29.7
Date first
1925
Date last
1991
Obs
9
Pa first
158
Pa last
160
P.A. Now (θ)
160°
Sep first
1.6
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
9.97
Mag sec
10.16
delta mag (ΔM)
0.19
Spectral class
F5V (yellow-white)
Pri motion ra
+022
Sec motion ra
+022
Pri motion dec
-026
Sec motion dec
-026
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
159.5
Precise sep
1.865
Constellation
Ophiuchus
SAO
185035
Tycho2
6819-01211-1
HD
154521
last precise pa
159.5
last precise sep
1.865
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17070-2705 I 1310 1991 9 160 1.9 9.97 10.16 F5V 170700.32-270529.7

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