18170-1858 SNA 85 AD

 
 
18h 16m 58.56s -18° 58' 05.1" P.A. 247.00 sep 5.8 mag 6.67,13.63 Sp O7II-III
 
 
Coord 2000 18170-1858 Discov num SNA  85 Comp AD Coord arcsec 2000 18 16 58.56 -18 58 05.1
Date first 2012 Date last 2012 Obs 1
Pa first 247 Pa last 247.1 P.A. Now (θ) 247.1°
Sep first 5.8 Sep last 5.78 Sep. Now (ρ) 5.78"
Mag pri 6.67 Mag sec 13.63 delta mag (ΔM) 6.96 Spectral class O7II-III (blue)
Pri motion ra +000 Sec motion ra
Pri motion dec -002 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.
 
 
18170-1858 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 161255 18 16 59 -18 58 05 SNA 85 Aa,Ab 2012 2 265 0.0 6.80 9.30 2.50
Show 161255 18 16 59 -18 58 05 MZA 23 AB 2009 4 227 17.5 7.40 13.50 6.10
Show 161255 18 16 59 -18 58 05 SNA 85 AC 2012 1 88 5.1 6.67 12.57 5.90
Show 161255 18 16 59 -18 58 05 SNA 85 AD 2012 1 247 5.8 6.67 13.63 6.96 <===
Show 161255 18 16 59 -18 58 05 SNA 85 AE 2012 1 58 7.3 6.67 14.01 7.34
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 161255 Tycho2 6273-00422-1 Gaia DR2 4094790350826867584
HD 167659