18024-2302 SNA 77 Aa,Ab

 
 
18h 02m 23.55s -23° 01' 50.9" P.A. 248.00 sep 0.0 mag 7.40,9.80 Sp O7.5V dist. 230.95 pc (753.36 l.y.)
 
 
Coord 2000 18024-2302 Discov num SNA  77 Comp Aa,Ab Coord arcsec 2000 18 02 23.55 -23 01 50.9
Date first 2012 Date last 2013 Obs 2
Pa first 262 Pa last 248.3 P.A. Now (θ) 248.3°
Sep first 0.0 Sep last 0.034 Sep. Now (ρ) 0.034"
Mag pri 7.40 Mag sec 9.80 delta mag (ΔM) 2.4 Spectral class O7.5V (blue)
Pri motion ra -000 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes N V K (See Notes, Proper motion indicates physical, 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
This double is physical.
 
 
18024-2302 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 186145 18 02 24 -23 01 51 SNA 77 Aa,Ab 2013 2 248 0.0 7.40 9.80 2.40 <===
Show HD 164492 186145 18 02 24 -23 01 51 H N 40 AB 2017 24 20 6.2 7.59 10.40 2.81
Show 186145 18 02 24 -23 01 51 H N 6 AC 2019 35 212 10.7 7.59 8.66 1.07
Show 186145 18 02 24 -23 01 51 H N 6 AE 2017 6 205 16.2 7.59 12.60 5.01
Show 186145 18 02 24 -23 01 51 HLD 175 AF 2017 8 108 22.1 7.59 14.30 6.71
Show 186145 18 02 24 -23 01 51 H N 6 AG 2017 5 212 40.7 7.59 13.40 5.81
Show 186145 18 02 24 -23 01 51 TRN 26 AH 2013 3 345 1.5 7.59 13.00 5.41
Show 186145 18 02 24 -23 01 51 SNA 77 AI 2013 1 43 3.1 7.31 11.54 4.23
Show 186145 18 02 24 -23 01 51 SNA 77 AJ 2015 3 165 6.5 7.31 12.86 5.55
Show 18 02 23 -23 01 60 H N 6 CD 2015 14 280 2.4 8.66 10.70 2.04
Show 18 02 23 -23 01 60 H N 6 CE 2015 6 191 6.0 8.66 12.60 3.94
Show 18 02 23 -23 01 60 H N 6 CF 2015 5 85 26.8 8.66 14.30 5.64
Show 18 02 23 -23 01 60 H N 6 CG 2017 5 212 30.0 8.66 13.40 4.74
11-fold system
10 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V3791 Sgr Constellation Sagittarius SAO 186145 HIP 88333
Tycho2 6842-00270-1 Gaia DR2 4069268658691324672 HD 164492 CD CD-2313804
Distance 230.95 Distance ly 753.36