20001+1737 S 730 AB (HD 189576)

 
 
20h 00m 08.28s +17 36' 38.6" P.A. 14.00 sep 112.8 mag 7.16,8.45 Sp K0+F5 dist. 666.67 pc (2174.68 l.y.)
 
 
Coord 2000 20001+1737 Discov num S   730 Comp AB Coord arcsec 2000 20 00 08.28 +17 36 38.6
Date first 1825 Date last 2014 Obs 27
Pa first 16 Pa last 14.3 P.A. Now (θ) 14.3°
Sep first 115.9 Sep last 112.76 Sep. Now (ρ) 112.76"
Mag pri 7.16 Mag sec 8.45 delta mag (ΔM) 1.29 Spectral class K0+F5 (yellow-orange/yellow-white)
Pri motion ra +005 Sec motion ra -012
Pri motion dec +011 Sec motion dec -006
Notes N (See Notes)
rPM=1.792
This double is not physical.
 
 
20001+1737 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 189576 105525 20 00 08 +17 36 39 S 730 AB 2014 27 14 112.8 7.16 8.45 1.29 <===
Show 20 00 08 +17 36 39 S 730 AC 2015 23 338 78.6 7.16 10.21 3.05
Show 20 00 08 +17 36 39 S 730 AD 2015 17 198 41.1 7.16 9.90 2.74
Show 20 00 08 +17 36 39 HO 638 AE 1928 4 283 2.7 7.16 10.20 3.04
Show 105525 20 00 10 +17 38 28 S 730 BC 2019 17 237 68.6 8.45 10.21 1.76
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189576 Constellation Sagitta SAO 105525 HIP 98443
Tycho2 1621-01879-1 Gaia DR2 1820490268613989504 HD 189576 BD BD+17 4185
Distance 666.67 Distance ly 2174.68