18152-2044 SNA 82 AD

 
 
18h 15m 12.91s -20° 43' 41.8" P.A. 108.00 sep 7.1 mag 5.16,12.18 Sp O9.7Iab dist. 10000 pc (32620 l.y.)
 
 
Coord 2000 18152-2044 Discov num SNA  82 Comp AD Coord arcsec 2000 18 15 12.91 -20 43 41.8
Date first 2012 Date last 2012 Obs 1
Pa first 108 Pa last 108.4 P.A. Now (θ) 108.4°
Sep first 7.1 Sep last 7.05 Sep. Now (ρ) 7.05"
Mag pri 5.16 Mag sec 12.18 delta mag (ΔM) 7.02 Spectral class O9.7Iab (blue)
Pri motion ra +002 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes N K (See Notes, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
18152-2044 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 186543 18 15 13 -20 43 42 SNA 82 Aa,Ab 2012 4 203 0.0 5.30 8.40 3.10
Show 15 Sgr 186543 18 15 13 -20 43 42 TOK 59 AB 2013 5 77 1.3 5.40 10.60 5.20
Show 186543 18 15 13 -20 43 42 SNA 82 AC 2012 1 356 2.3 5.16 12.91 7.75
Show 186543 18 15 13 -20 43 42 SNA 82 AD 2012 1 108 7.1 5.16 12.18 7.02 <===
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 186543 HIP 89439 Tycho2 6276-01023-1
Gaia DR2 4093968702062993664 HD 167264 HR 6822 GC 24893
BD BD-20 5054 Flamsteed 15 Sagittarii Flamsteed name 15 Sgr Distance 10000
Distance ly 32620