17530-2803 RST1997BC

 
 
17h 52m 58.91s -28 03' 42.8" P.A. 177 sep 0.3 mag 11.80,11.80
 
 
Coord 2000
17530-2803
Discov num
RST1997
Comp
BC
Coord arcsec 2000
17 52 58.91 -28 03 42.8
Date first
1935
Date last
1951
Obs
3
Pa first
166
Pa last
177
P.A. Now (θ)
177°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
11.80
Mag sec
11.80
delta mag (ΔM)
0
Spectral class
Pri motion ra
+015
Sec motion ra
Pri motion dec
-019
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17530-2803 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17530-2803 RST1997 A,BC 1934 2000 4 204 2.8 11.33 11.40 0.07
Show 17530-2803 RST1997 BC 1935 1951 3 177 0.3 11.80 11.80 0.00 <===
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6849-00405-1
HD
316493
last precise pa
176.6
last precise sep
0.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17530-2803 RST1997 BC 1951 3 177 0.3 11.80 11.80 175300.00-280300.0

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