18245-2947 BIL 7 Aa,Ab (HD 169142)

 
 
18h 24m 29.77s -29° 46' 49.3" sep 0.1 mag 5.60,12.10 Sp A7V
 
 
Coord 2000 18245-2947 Discov num BIL   7 Comp Aa,Ab Coord arcsec 2000 18 24 29.77 -29 46 49.3
Date first 2013 Date last 2013 Obs 1
Pa first 0 Pa last 0 P.A. Now (θ) 0
Sep first 0.1 Sep last 0.11 Sep. Now (ρ) 0.11"
Mag pri 5.60 Mag sec 12.10 delta mag (ΔM) 6.5 Spectral class A7V (white)
Pri motion ra -002 Sec motion ra
Pri motion dec -040 Sec motion dec
Notes K (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.
 
 
18245-2947 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 169142 186777 18 24 30 -29 46 49 BIL 7 Aa,Ab 2013 1 0 0.1 5.60 12.10 6.50 <===
Show 186777 18 24 30 -29 46 49 B 2446 AB 2015 4 223 9.3 8.19 14.10 5.91
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 169142 Constellation Sagittarius SAO 186777 Tycho2 6856-00876-1
Gaia DR2 4048015133392824064 HD 169142