20001+1737 HO 638 AE

 
 
20h 00m 08.28s +17 36' 38.6" P.A. 283.00 sep 2.7 mag 7.16,10.20 Sp K0 dist. 666.67 pc (2174.68 l.y.)
 
 
Coord 2000 20001+1737 Discov num HO  638 Comp AE Coord arcsec 2000 20 00 08.28 +17 36 38.6
Date first 1889 Date last 1928 Obs 4
Pa first 291 Pa last 282.6 P.A. Now (θ) 282.6°
Sep first 2.2 Sep last 2.69 Sep. Now (ρ) 2.69"
Mag pri 7.16 Mag sec 10.20 delta mag (ΔM) 3.04 Spectral class K0 (yellow-orange)
Pri motion ra +004 Sec motion ra
Pri motion dec +008 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
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 HIP 98443 Tycho2 1621-01879-1 Gaia DR2 1820490268613989504
HD 189576 BD BD+17 4185 Distance 666.67 Distance ly 2174.68