18553-2618 BED 1 Aa,Ab

 
 
18h 55m 15.92s -26° 17' 48.2" P.A. 202.00 sep 0.0 mag 2.04, Sp B2.5V dist. 69.83 pc (227.79 l.y.)
 
 
Coord 2000 18553-2618 Discov num BED   1 Comp Aa,Ab Coord arcsec 2000 18 55 15.92 -26 17 48.2
Date first 1991 Date last 1991 Obs 1
Pa first 202 Pa last 202 P.A. Now (θ) 202°
Sep first 0.0 Sep last 0.012 Sep. Now (ρ) 0.012"
Mag pri 2.04 Mag sec delta mag (ΔM) Spectral class B2.5V (blue-white)
Pri motion ra +014 Sec motion ra
Pri motion dec -053 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
18553-2618 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 187448 18 55 16 -26 17 48 BED 1 Aa,Ab 1991 1 202 0.0 2.04 <===
Show Nunki 187448 18 55 16 -26 17 48 SMY 4 AB 1999 4 239 349.0 2.04 9.95 7.91
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Nunki Constellation Sagittarius SAO 187448 HIP 92855
Tycho2 6868-01829-1 HD 175191 HR 7121 GC 25941
CD CD-2613595 CP CP-26 6590 Bayer Sigma Sagittarii Bayer name Sig Sgr
Flamsteed 34 Sagittarii Flamsteed name 34 Sgr FK5 706 Distance 69.83
Distance ly 227.79 Bayer greek σ Sgr
Other names SADIRA
Meaning the Sumerian god of the waters 'Enki'