18136-1536 BU 131 AB (HD 166962)

18h 13m 35.49s -15° 35' 54.1" P.A. 277.00 sep 3.2 mag 7.54,9.30 Sp F6V

Coord 2000 18136-1536 Discov num BU  131 Comp AB Coord arcsec 2000 18 13 35.49 -15 35 54.1
Date first 1873 Date last 2016 Obs 40
Pa first 270 Pa last 276.9 P.A. Now (θ) 276.9°
Sep first 2.0 Sep last 3.179 Sep. Now (ρ) 3.179"
Mag pri 7.54 Mag sec 9.30 delta mag (ΔM) 1.76 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

Name HD 166962 Constellation Serpens Tycho2 6264-01269-1 Gaia DR2 4145814493585839744
HD 166962