18491+1313 STF 2399 BD

 
 
18h 49m 08.33s +13° 12' 46.7" P.A. 69.00 sep 42.4 mag 9.48,12.18 Sp A2
 
 
Coord 2000 18491+1313 Discov num STF2399 Comp BD Coord arcsec 2000 18 49 08.33 +13 12 46.7
Date first 1843 Date last 2015 Obs 15
Pa first 71 Pa last 68.7 P.A. Now (θ) 68.7°
Sep first 39.9 Sep last 42.357 Sep. Now (ρ) 42.357"
Mag pri 9.48 Mag sec 12.18 delta mag (ΔM) 2.7 Spectral class A2 (white)
Pri motion ra +003 Sec motion ra +006
Pri motion dec -006 Sec motion dec -002
Notes U (Proper motion indicates non-physical)
rPM=0.745
This double is not physical.
 
 
18491+1313 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 174238 104131 18 49 07 +13 12 54 STF 2399 AB 2015 31 118 15.8 8.83 9.48 0.65
Show 104131 18 49 07 +13 12 54 STF 2399 AC 2015 23 48 31.2 8.83 11.10 2.27
Show 104133 18 49 08 +13 12 47 STF 2399 BC 2015 23 18 29.7 9.48 11.10 1.62
Show 104133 18 49 08 +13 12 47 STF 2399 BD 2015 15 69 42.4 9.48 12.18 2.70 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 104133 Tycho2 1038-00415-1 Gaia DR2 4505473027704956928
HD 229601