18138-2104 SLV 7 BE

 
 
18h 13m 44.64s -21° 03' 35.4" P.A. 106.00 sep 64.4 mag 10.48,9.22 Sp B9III
 
 
Coord 2000 18138-2104 Discov num SLV   7 Comp BE Coord arcsec 2000 18 13 44.64 -21 03 35.4
Date first 1879 Date last 2020 Obs 12
Pa first 106 Pa last 105.9 P.A. Now (θ) 105.9°
Sep first 64.1 Sep last 64.441 Sep. Now (ρ) 64.441"
Mag pri 10.48 Mag sec 9.22 delta mag (ΔM) 1.26 Spectral class B9III (blue-white)
Pri motion ra +002 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
18138-2104 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Polis 186497 18 13 46 -21 03 32 H 5 7 AB 2013 20 258 16.9 3.85 10.48 6.63
Show 186497 18 13 46 -21 03 32 BU 292 AC 2008 10 119 25.5 3.85 12.80 8.95
Show 186497 18 13 46 -21 03 32 HJ 2822 AD 2013 25 312 48.2 3.85 9.96 6.11
Show 186497 18 13 46 -21 03 32 HJ 2822 AE 2013 20 114 50.2 3.85 9.22 5.37
Show 18 13 45 -21 03 35 SLV 7 BD 2020 13 331 40.8 10.48 9.96 0.52
Show 18 13 45 -21 03 35 SLV 7 BE 2020 12 106 64.4 10.48 9.22 1.26 <===
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Gaia DR2 4093933487627510528