18090-3617 RST 3155 Aa,Ab

 
 
18h 09m 01.96s -36° 17' 05.2" P.A. 21.00 sep 0.2 mag 9.15,9.60 Sp G2V dist. 88.34 pc (288.17 l.y.)
 
 
Coord 2000 18090-3617 Discov num RST3155 Comp Aa,Ab Coord arcsec 2000 18 09 01.96 -36 17 05.2
Date first 1935 Date last 2017 Obs 10
Pa first 21 Pa last 21.2 P.A. Now (θ) 21.2°
Sep first 0.2 Sep last 0.248 Sep. Now (ρ) 0.248"
Mag pri 9.15 Mag sec 9.60 delta mag (ΔM) 0.45 Spectral class G2V (yellow)
Pri motion ra -015 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
18090-3617 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 209765 18 09 02 -36 17 05 RST 3155 Aa,Ab 2017 10 21 0.2 9.15 9.60 0.45 <===
Show HD 165728 209765 18 09 02 -36 17 05 SHY 738 AB 1998 4 254 999.9 8.56 9.01 0.45
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 209765 HIP 88920 Tycho2 7404-05122-1
Gaia DR2 4037995833655866752 HD 165728 CD CD-3612259 CP CP-36 8022
Distance 88.34 Distance ly 288.17