18386+0236 HJ 5500 AB (HD 172506)

 
 
18h 40m 31.30s +02° 41' 04.0" P.A. 40.00 sep 84.0 mag 7.99,10.16 Sp F0v+c3 dist. 112.11 pc (365.7 l.y.)
 
 
Coord 2000 18386+0236 Discov num HJ 5500 Comp AB Coord arcsec 2000 18 40 31.30 +02 41 04.0
Date first 1902 Date last 2015 Obs 17
Pa first 38 Pa last 39.6 P.A. Now (θ) 39.6°
Sep first 82.2 Sep last 84.048 Sep. Now (ρ) 84.048"
Mag pri 7.99 Mag sec 10.16 delta mag (ΔM) 2.17 Spectral class F0v+c3 (yellow-white)
Pri motion ra -034 Sec motion ra -002
Pri motion dec -019 Sec motion dec -012
Notes U (Proper motion indicates non-physical)
rPM=0.841
This double is not physical.
 
 
18386+0236 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 172506 123794 18 40 31 +02 41 04 HJ 5500 AB 2015 17 40 84.0 7.99 10.16 2.17 <===
Show 123794 18 40 31 +02 41 04 DAM 381 AC 2015 7 228 14.2 8.00 14.80 6.80
Show 123794 18 40 31 +02 41 04 SKF 2135 AD 2016 12 238 54.4 7.99 14.50 6.51
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172506 Constellation Serpens SAO 123794 HIP 91580
Tycho2 0451-00791-1 Gaia DR2 4279979582440702720 HD 172506 BD BD+02 3646
Distance 112.11 Distance ly 365.7