17447-0144 SCJ  15AB

 
 
17h 44m 41.81s -01 44' 24.6" P.A. 353 sep 55.2 mag 8.19,10.46 Sp K2 dist. 261.78 pc (853.93 l.y.)
 
 
Coord 2000
17447-0144
Discov num
SCJ  15
Comp
AB
Coord arcsec 2000
17 44 41.81 -01 44 24.6
Date first
1890
Date last
2012
Obs
15
Pa first
356
Pa last
353
P.A. Now (θ)
353°
Sep first
55.0
Sep last
55.2
Sep. Now (ρ)
55.2"
Mag pri
8.19
Mag sec
10.46
delta mag (ΔM)
2.27
Spectral class
K2 (yellow-orange)
Pri motion ra
+015
Sec motion ra
-003
Pri motion dec
-005
Sec motion dec
-006
Notes
rPM=1.14
This double is not physical.
 
 
17447-0144 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17447-0144 SCJ 15 AB 1890 2012 15 353 55.2 8.19 10.46 2.27 <===
Show 17447-0144 SCJ 15 AC 1890 2003 10 148 138.3 8.19 10.57 2.38
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
352.8
Precise sep
55.17
Constellation
Ophiuchus
HIP
86845
Tycho2
5081-01887-1
HD
161271
BD
BD-01 3386
Distance
261.78
Distance ly
853.93
last precise pa
352.8
last precise sep
55.17
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17447-0144 SCJ 15 AB 2003 13 353 55.3 8.19 10.46 K2 D 174441.81-014424.6
17447-0144 SCJ 15 AB 2012 15 353 55.2 8.19 10.46 K2 D 174441.81-014424.6

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