20001+1737 S 730 AC

 
 
20h 00m 08.28s +17° 36' 38.6" P.A. 338.00 sep 78.6 mag 7.16,10.21 Sp K0
 
 
Coord 2000 20001+1737 Discov num S   730 Comp AC Coord arcsec 2000 20 00 08.28 +17 36 38.6
Date first 1879 Date last 2015 Obs 23
Pa first 339 Pa last 337.5 P.A. Now (θ) 337.5°
Sep first 80.3 Sep last 78.605 Sep. Now (ρ) 78.605"
Mag pri 7.16 Mag sec 10.21 delta mag (ΔM) 3.05 Spectral class K0 (yellow-orange)
Pri motion ra +005 Sec motion ra +000
Pri motion dec +011 Sec motion dec -004
Notes N (See Notes)
rPM=1.309
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
 
 
Constellation Sagitta Tycho2 1621-01879-1 Gaia DR2 1820490268613989504 HD 351105