16546-0609 DSG   1AC

 
 
16h 54m 35.71s -06 09' 14.1" P.A. 87 sep 0.7 mag 5.25,11.60 Sp K2III dist. 73.8 pc (240.74 l.y.)
 
 
Coord 2000
16546-0609
Discov num
DSG   1
Comp
AC
Coord arcsec 2000
16 54 35.71 -06 09 14.1
Date first
2012
Date last
2012
Obs
1
Pa first
87
Pa last
87
P.A. Now (θ)
87°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
5.25
Mag sec
11.60
delta mag (ΔM)
6.35
Spectral class
K2III (yellow-orange)
Pri motion ra
-031
Sec motion ra
Pri motion dec
-022
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
16546-0609 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 23 Oph 141431 16546-0609 DSG 1 AB 2012 2012 2 271 0.4 5.25 9.90 4.65
Show 141431 16546-0609 DSG 1 AC 2012 2012 1 87 0.7 5.25 11.60 6.35 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
SAO
141431
HIP
82730
Tycho2
5063-01633-1
HD
152601
HR
6280
GC
22783
BD
BD-05 4374
Flamsteed
23 Ophiuchi
Flamsteed name
23 Oph
Distance
73.8
Distance ly
240.74
last precise pa
86.7
last precise sep
0.655
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16546-0609 DSG 1 AC 2012 1 87 0.7 5.25 11.60 K2III 165435.71-060914.1

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