18210-1714 J  1627

 
 
18h 21m 01.09s -17 14' 01.4" P.A. 242 sep 4.9 mag 9.79,10.03
 
 
Coord 2000
18210-1714
Discov num
J  1627
Comp
Coord arcsec 2000
18 21 01.09 -17 14 01.4
Date first
1915
Date last
2009
Obs
9
Pa first
271
Pa last
242
P.A. Now (θ)
242°
Sep first
5.0
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
9.79
Mag sec
10.03
delta mag (ΔM)
0.24
Spectral class
Pri motion ra
+075
Sec motion ra
+011
Pri motion dec
+011
Sec motion dec
-030
Notes
rPM=1.003
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
242.3
Precise sep
4.85
Constellation
Sagittarius
Tycho2
6269-00158-1
last precise pa
242.3
last precise sep
4.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18210-1714 J 1627 1999 7 246 4.4 9.79 10.03 D 182101.09-171401.4
18210-1714 J 1627 2009 8 242 4.9 9.79 10.03 D 182101.09-171401.4

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