17206-1920 A  2241AB

 
 
17H 20M 34.40S -19 20' 00.2" P.A. 73 SEP 4.8 MAG 6.60,14.10 SP F9V DIST. 47.62 PC (155.34 L.Y.)
 
 
Coord 2000
17206-1920
Discov num
A  2241
Comp
AB
Coord arcsec 2000
17 20 34.40 -19 20 00.2
Date first
1910
Date last
2000
Obs
5
Pa first
75
Pa last
73
P.A. Now (θ)
73°
Sep first
5.0
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
6.60
Mag sec
14.10
delta mag (ΔM)
7.5
Spectral class
F9V (yellow-white)
Pri motion ra
-131
Sec motion ra
Pri motion dec
-146
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17206-1920 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 160474 17206-1920 OCC 529 Aa,Ab 1977 1977 0 1.3 7.80 7.80 0.00
Show 160474 17206-1920 A 2241 AB 1910 2000 5 73 4.8 6.60 14.10 7.50 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
SAO
160474
HIP
84856
Tycho2
6242-00339-1
HD
156846
HR
6441
BD
BD-19 4605
Distance
47.62
Distance ly
155.34
last precise pa
72.8
last precise sep
4.81