17380-2130 B  1865

 
 
17h 38m 01.84s -21 30' 28.8" P.A. 171 sep 3.1 mag 10.18,12.10 Sp F3/5V
 
 
Coord 2000
17380-2130
Discov num
B  1865
Comp
Coord arcsec 2000
17 38 01.84 -21 30 28.8
Date first
1930
Date last
1953
Obs
2
Pa first
166
Pa last
171
P.A. Now (θ)
171°
Sep first
3.3
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
10.18
Mag sec
12.10
delta mag (ΔM)
1.92
Spectral class
F3/5V (yellow-white)
Pri motion ra
+018
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
171.4
Precise sep
3.09
Constellation
Ophiuchus
Tycho2
6260-01807-1
HD
159893
last precise pa
171.4
last precise sep
3.09
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17380-2130 B 1865 1953 2 171 3.1 10.18 12.10 F3/5V 173801.84-213028.8

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