18274-1838 LEO  17DE

 
 
18h 27m 36.97s -18 36' 49.6" P.A. 295 sep 16 mag 11.14,11.27
 
 
Coord 2000
18274-1838
Discov num
LEO  17
Comp
DE
Coord arcsec 2000
18 27 36.97 -18 36 49.6
Date first
1916
Date last
2017
Obs
6
Pa first
294
Pa last
295
P.A. Now (θ)
295°
Sep first
15.4
Sep last
16.0
Sep. Now (ρ)
16"
Mag pri
11.14
Mag sec
11.27
delta mag (ΔM)
0.13
Spectral class
Pri motion ra
+004
Sec motion ra
-002
Pri motion dec
-007
Sec motion dec
+002
Notes
rPM=1.342
This double is not physical.
 
 
18274-1838 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18274-1838 LEO 17 AB 1916 2003 5 211 3.9 11.60 11.80 0.20
Show 18274-1838 LEO 17 AC 1917 2003 5 276 17.8 11.60 13.50 1.90
Show 18274-1838 LEO 17 DE 1916 2017 6 295 16.0 11.14 11.27 0.13 <===
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
295.1
Precise sep
15.969
Cdsa2 id
LEO 17 DE
Constellation
Sagittarius
Tycho2
6270-00829-1
HD
313345
Ra deg
18.460269444444442
De deg
-18.61377777777778
last precise pa
295.1
last precise sep
15.969
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18274-1838 LEO 17 DE 1999 5 294 15.9 11.14 11.27 182736.97-183649.6
18274-1838 LEO 17 DE 2017 6 295 16.0 11.14 11.27 182736.97-183649.6

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