18489+1615 STF 2400 BC

18h 48m 55.10s +16° 15' 14.9" P.A. 201.00 sep 1.0 mag 11.10,10.60

Coord 2000 18489+1615 Discov num STF2400 Comp BC Coord arcsec 2000 18 48 55.10 +16 15 14.9
Date first 1889 Date last 2016 Obs 35
Pa first 198 Pa last 200.6 P.A. Now (θ) 200.6°
Sep first 0.8 Sep last 0.995 Sep. Now (ρ) 0.995"
Mag pri 11.10 Mag sec 10.60 delta mag (ΔM) 0.5 Spectral class
Pri motion ra +004 Sec motion ra
Pri motion dec -015 Sec motion dec
Notes N (See Notes)




Nature of this double is uncertain.



18489+1615 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 174224 18 48 55 +16 15 24 STF 2400 AB 2014 41 159 9.7 8.08 11.10 3.02
Show 18 48 55 +16 15 24 STF 2400 A,BC 2016 34 160 11.0 8.08 10.20 2.12
Show 18 48 55 +16 15 24 STF 2400 AC 2015 31 161 10.9 8.08 10.60 2.52
Show 104127 18 48 55 +16 15 24 STF 2400 AD 1900 4 157 0.4 8.08
Show 18 48 55 +16 15 15 STF 2400 BC 2016 35 201 1.0 11.10 10.60 0.50 <===


Quadruple system
5 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Hercules Gaia DR2 4510996389994855424