16311-1637 BU 626 AC (Phi Oph)

 
 
16h 31m 08.39s -16° 36' 45.5" P.A. 320.00 sep 119.4 mag 4.38,10.78 Sp G8III dist. 74.68 pc (243.61 l.y.)
 
 
Coord 2000 16311-1637 Discov num BU  626 Comp AC Coord arcsec 2000 16 31 08.39 -16 36 45.5
Date first 1904 Date last 2015 Obs 8
Pa first 318 Pa last 319.7 P.A. Now (θ) 319.7°
Sep first 120.0 Sep last 119.369 Sep. Now (ρ) 119.369"
Mag pri 4.38 Mag sec 10.78 delta mag (ΔM) 6.4 Spectral class G8III (yellow)
Pri motion ra -045 Sec motion ra -010
Pri motion dec -037 Sec motion dec -010
Notes N (See Notes)
rPM=0.759
Nature of this double is uncertain.
 
 
16311-1637 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 159963 16 31 08 -16 36 46 BU 626 AB 2011 11 37 41.3 4.28 12.90 8.62
Show Phi Oph 159963 16 31 08 -16 36 46 BU 626 AC 2015 8 320 119.4 4.38 10.78 6.40 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Phi Oph Constellation Ophiuchus SAO 159963 HIP 80894
Tycho2 6203-00806-1 Gaia DR2 4325157278256319104 HD 148786 HR 6147
GC 22200 ADS 10086 BD BD-16 4298 Bayer Phi Ophiuchi
Bayer name Phi Oph Flamsteed 8 Ophiuchi Flamsteed name 8 Oph Distance 74.68
Distance ly 243.61 Bayer greek φ Oph