18386+0236 SKF 2135 AD

 
 
18h 40m 31.30s +02° 41' 04.0" P.A. 238.00 sep 54.4 mag 7.99,14.50 Sp F2 dist. 112.11 pc (365.7 l.y.)
 
 
Coord 2000 18386+0236 Discov num SKF2135 Comp AD Coord arcsec 2000 18 40 31.30 +02 41 04.0
Date first 1954 Date last 2016 Obs 12
Pa first 238 Pa last 238.2 P.A. Now (θ) 238.2°
Sep first 54.3 Sep last 54.368 Sep. Now (ρ) 54.368"
Mag pri 7.99 Mag sec 14.50 delta mag (ΔM) 6.51 Spectral class F2 (yellow-white)
Pri motion ra -034 Sec motion ra
Pri motion dec -019 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
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
 
 
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