17320+0249 BU 1538DE

 
 
17H 31M 19.65S +02 49' 18.4" P.A. 166 SEP 2.6 MAG 11.50,11.50
 
 
Coord 2000
17320+0249
Discov num
BU 1538
Comp
DE
Coord arcsec 2000
17 31 19.65 +02 49 18.4
Date first
1903
Date last
1903
Obs
1
Pa first
166
Pa last
166
P.A. Now (θ)
166°
Sep first
2.6
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
11.50
Mag sec
11.50
delta mag (ΔM)
0
Spectral class
Pri motion ra
+002
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
17320+0249 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show V2373 Oph 17320+0249 STT 331 AB 1843 2011 80 351 1.0 7.74 8.82 1.08
Show 17320+0249 STT 331 AC 1898 2009 10 240 50.6 7.74 10.92 3.18
Show 17320+0249 BU 1538 DE 1903 1903 1 166 2.6 11.50 11.50 0.00 <===
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
last precise pa
165.5
last precise sep
2.62