18210-2842 B  2864BC

 
 
18h 20m 59.47s -28 43' 03.0" P.A. 313 sep 1.7 mag 11.44,
 
 
Coord 2000
18210-2842
Discov num
B  2864
Comp
BC
Coord arcsec 2000
18 20 59.47 -28 43 03.0
Date first
1913
Date last
1913
Obs
1
Pa first
313
Pa last
313
P.A. Now (θ)
313°
Sep first
1.7
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
11.44
Mag sec
delta mag (ΔM)
Spectral class
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
18210-2842 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 186683 18210-2842 B 2864 A,BC 1913 1999 5 166 38.6 8.54 11.44 2.90
Show 18210-2842 B 2864 BC 1913 1913 1 313 1.7 11.44 <===
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
312.8
Precise sep
1.672
Constellation
Sagittarius
Tycho2
6856-00555-1
last precise pa
312.8
last precise sep
1.672
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18210-2842 B 2864 BC 1913 1 313 1.7 11.44   182059.47-284303.0

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