18136-1536 BU 131 AC

 
 
18h 13m 35.49s -15° 35' 54.1" P.A. 300.00 sep 9.2 mag 7.54,11.75 Sp F6V
 
 
Coord 2000 18136-1536 Discov num BU  131 Comp AC Coord arcsec 2000 18 13 35.49 -15 35 54.1
Date first 1880 Date last 2015 Obs 20
Pa first 279 Pa last 300.1 P.A. Now (θ) 300.1°
Sep first 7.1 Sep last 9.229 Sep. Now (ρ) 9.229"
Mag pri 7.54 Mag sec 11.75 delta mag (ΔM) 4.21 Spectral class F6V (yellow-white)
Pri motion ra +012 Sec motion ra
Pri motion dec -026 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18136-1536 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 166962 18 13 35 -15 35 54 BU 131 AB 2016 40 277 3.2 7.54 9.30 1.76
Show 18 13 35 -15 35 54 BU 131 AC 2015 20 300 9.2 7.54 11.75 4.21 <===
Show 18 13 35 -15 35 54 FOX 221 AD 2015 6 34 40.8 7.54 12.52 4.98
Show 18 13 35 -15 35 54 BU 131 BC 2005 17 310 6.2 9.30 11.75 2.45
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens Tycho2 6264-01269-1 Gaia DR2 4145814493585839744 HD 166962