20079-3951 CRU 9011 AB (HD 190730)

 
 
20h 07m 53.74s -39 50' 36.0" P.A. 185.00 sep 82.5 mag 7.60,9.50 Sp F5V
 
 
Coord 2000 20079-3951 Discov num CRU9011 Comp AB Coord arcsec 2000 20 07 53.74 -39 50 36.0
Date first 1879 Date last 2015 Obs 7
Pa first 184 Pa last 184.9 P.A. Now (θ) 184.9°
Sep first 87.5 Sep last 82.458 Sep. Now (ρ) 82.458"
Mag pri 7.60 Mag sec 9.50 delta mag (ΔM) 1.9 Spectral class F5V (yellow-white)
Pri motion ra +014 Sec motion ra -002
Pri motion dec -098 Sec motion dec -027
Notes
rPM=0.735
Nature of this double is uncertain.
 
 
20079-3951 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 190730 211830 20 07 54 -39 50 36 CRU 9011 AB 2015 7 185 82.5 7.60 9.50 1.90 <===
Show 211830 20 07 54 -39 50 36 CRU 9011 AC 2015 7 96 80.1 7.60 9.50 1.90
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 190730 Constellation Sagittarius SAO 211830 Tycho2 7951-01107-1
Gaia DR2 6687540473903265920 HD 190730 GC 27905