16311-1637 BU  626AB (Phi Oph)

 
 
16H 31M 08.39S -16 36' 45.5" P.A. 37 SEP 41.3 MAG 4.28,12.90 SP G8III DIST. 74.68 PC (243.61 L.Y.)
 
 
Coord 2000
16311-1637
Discov num
BU  626
Comp
AB
Coord arcsec 2000
16 31 08.39 -16 36 45.5
Date first
1878
Date last
2011
Obs
11
Pa first
36
Pa last
37
P.A. Now (θ)
37°
Sep first
32.5
Sep last
41.3
Sep. Now (ρ)
41.3"
Mag pri
4.28
Mag sec
12.90
delta mag (ΔM)
8.62
Spectral class
G8III (yellow)
Pri motion ra
-045
Sec motion ra
Pri motion dec
-037
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
16311-1637 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Phi Oph 159963 16311-1637 BU 626 AB 1878 2011 11 37 41.3 4.28 12.90 8.62 <===
Show 159963 16311-1637 BU 626 AC 1904 2011 7 320 119.8 4.38 10.78 6.40
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
Phi Oph
Constellation
Ophiuchus
SAO
159963
HIP
80894
Tycho2
6203-00806-1
HD
148786
HR
6147
GC
22200
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
last precise pa
37.3
last precise sep
41.26