18512+5923 STF 2420 AB (Omi Dra)

 
 
18h 51m 12.01s +59° 23' 17.8" P.A. 316.00 sep 37.6 mag 4.77,8.26 Sp G7III-IV dist. 104.82 pc (341.92 l.y.)
 
 
Coord 2000 18512+5923 Discov num STF2420 Comp AB Coord arcsec 2000 18 51 12.01 +59 23 17.8
Date first 1780 Date last 2019 Obs 94
Pa first 0 Pa last 316 P.A. Now (θ) 316°
Sep first 26.7 Sep last 37.6 Sep. Now (ρ) 37.6"
Mag pri 4.77 Mag sec 8.26 delta mag (ΔM) 3.49 Spectral class G7III-IV (yellow)
Pri motion ra +078 Sec motion ra +000
Pri motion dec +025 Sec motion dec +000
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=1
This double is not physical.
 
 
18512+5923 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 31218 18 51 12 +59 23 18 CIA 8 Aa,Ab 2014 6 202 0.0 4.77 11.00 6.23 Y
Show Omi Dra 31218 18 51 12 +59 23 18 STF 2420 AB 2019 94 316 37.6 4.77 8.26 3.49 <===
Show 31218 18 51 12 +59 23 18 STF 2420 AC 2014 4 324 141.3 4.77 12.67 7.90
Show 18 51 09 +59 23 46 STF 2420 BC 2015 9 326 103.5 8.26 12.67 4.41
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Omi Dra Constellation Draco SAO 31218 HIP 92512
Tycho2 3930-01790-1 Gaia DR2 2156134953382133632 HD 175306 HR 7125
GC 25905 ADS 11779 BD BD+59 1925 Bayer Omicron Draconis
Bayer name Omi Dra Flamsteed 47 Draconis Flamsteed name 47 Dra FK5 707
Distance 104.82 Distance ly 341.92 Bayer greek ο Dra