18071-2224 TDT 690Ba,Bb

 
 
18h 07m 06.04s -22 23' 40.6" P.A. 68 sep 0.5 mag 11.14,11.22 Sp B9
 
 
Coord 2000
18071-2224
Discov num
TDT 690
Comp
Ba,Bb
Coord arcsec 2000
18 07 06.04 -22 23 40.6
Date first
1991
Date last
1991
Obs
1
Pa first
68
Pa last
68
P.A. Now (θ)
68°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
11.14
Mag sec
11.22
delta mag (ΔM)
0.08
Spectral class
B9 (blue-white)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
+002
Sec motion dec
+002
Notes
Nature of this double is uncertain.
 
 
18071-2224 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18071-2224 LYS 35 AB 1921 1999 6 80 18.7 10.08 10.52 0.44
Show 18071-2224 TDT 690 Ba,Bb 1991 1991 1 68 0.5 11.14 11.22 0.08 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
68.1
Precise sep
0.49
Constellation
Sagittarius
Tycho2
6263-03162-1
last precise pa
68.1
last precise sep
0.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18071-2224 TDT 690 Ba,Bb 1991 1 68 0.5 11.14 11.22 180706.04-222340.6

If you need more information about this double, apply for a data request form to the WDS.