17584+0428 SKF2215AC

 
 
17H 58M 24.46S +04 27' 41.8" P.A. 320 SEP 18 MAG 10.36,14.70 SP K4V DIST. 43.61 PC (142.26 L.Y.)
 
 
Coord 2000
17584+0428
Discov num
SKF2215
Comp
AC
Coord arcsec 2000
17 58 24.46 +04 27 41.8
Date first
1950
Date last
2013
Obs
7
Pa first
321
Pa last
320
P.A. Now (θ)
320°
Sep first
18.1
Sep last
18.0
Sep. Now (ρ)
18"
Mag pri
10.36
Mag sec
14.70
delta mag (ΔM)
4.34
Spectral class
K4V (yellow-orange)
Pri motion ra
-064
Sec motion ra
-062
Pri motion dec
-044
Sec motion dec
-039
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.06900000000000001 (< 0.3, Physical double)
This double is physical.
 
 
17584+0428 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17584+0428 KUI 84 AB 1934 2015 25 221 0.1 10.36 11.09 0.73 Y
Show 17584+0428 SKF2215 AC 1950 2013 7 320 18.0 10.36 14.70 4.34 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
HIP
87991
Tycho2
0425-00802-1
BD
BD+04 3562
Distance
43.61
Distance ly
142.26
last precise pa
319.9
last precise sep
17.99