18086-2752 BU  244Ba,Bb

 
 
18h 08m 34.62s -27 51' 51.2" P.A. 138 sep 0.1 mag 9.10,11.10 dist. 284.9 pc (929.34 l.y.)
 
 
Coord 2000
18086-2752
Discov num
BU  244
Comp
Ba,Bb
Coord arcsec 2000
18 08 34.62 -27 51 51.2
Date first
2016
Date last
2017
Obs
2
Pa first
146
Pa last
138
P.A. Now (θ)
138°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
9.10
Mag sec
11.10
delta mag (ΔM)
2
Spectral class
Pri motion ra
+006
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
18086-2752 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18086-2752 BU 244 AB 1874 2017 36 269 2.2 7.61 9.06 1.45
Show 18086-2752 BU 244 Ba,Bb 2016 2017 2 138 0.1 9.10 11.10 2.00 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138.4
Precise sep
0.097
Spectr
G8/K0III/IV
Constellation
Sagittarius
HIP
88864
Tycho2
6851-06727-1
Gaia DR2
14618642560
HD
165723
CD
CD-2712453
CP
CP-27 6168
Distance
284.9
Distance ly
929.34
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18086-2752 BU 244 Ba,Bb 2017 2 138 0.1 9.10 11.10 R 180810.00-275200.0

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