16546-0609 DSG   1AB (23 Oph)

 
 
16H 54M 35.71S -06 09' 14.1" P.A. 271 SEP 0.4 MAG 5.25,9.90 SP K2III DIST. 73.8 PC (240.74 L.Y.)
 
 
Coord 2000
16546-0609
Discov num
DSG   1
Comp
AB
Coord arcsec 2000
16 54 35.71 -06 09 14.1
Date first
2012
Date last
2012
Obs
2
Pa first
272
Pa last
271
P.A. Now (θ)
271°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
5.25
Mag sec
9.90
delta mag (ΔM)
4.65
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
 
 
Name
23 Oph
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
271
last precise sep
0.355