18164-2951 J  1624

 
 
18h 16m 23.38s -29 50' 40.4" P.A. 121 sep 3.9 mag 11.16,11.40
 
 
Coord 2000
18164-2951
Discov num
J  1624
Comp
Coord arcsec 2000
18 16 23.38 -29 50 40.4
Date first
1913
Date last
2000
Obs
7
Pa first
121
Pa last
121
P.A. Now (θ)
121°
Sep first
3.4
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
11.16
Mag sec
11.40
delta mag (ΔM)
0.24
Spectral class
Pri motion ra
-032
Sec motion ra
Pri motion dec
+023
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
121.3
Precise sep
3.88
Constellation
Sagittarius
Tycho2
6855-00791-1
HD
317334
last precise pa
121.3
last precise sep
3.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18164-2951 J 1624 2000 6 121 3.9 11.16 11.40 D 181623.38-295040.4

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