18103-2254 ARA1848

 
 
18h 10m 17.67s -22 54' 19.1" P.A. 37 sep 7.4 mag 11.30,13.80
 
 
Coord 2000
18103-2254
Discov num
ARA1848
Comp
Coord arcsec 2000
18 10 17.67 -22 54 19.1
Date first
1920
Date last
2010
Obs
6
Pa first
32
Pa last
37
P.A. Now (θ)
37°
Sep first
7.3
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
11.30
Mag sec
13.80
delta mag (ΔM)
2.5
Spectral class
Pri motion ra
-008
Sec motion ra
+018
Pri motion dec
-012
Sec motion dec
+005
Notes
rPM=1.663
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
37.4
Precise sep
7.43
Constellation
Sagittarius
Tycho2
6843-01122-1
HD
313990
last precise pa
37.4
last precise sep
7.43
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18103-2254 ARA1848 1999 2 38 7.8 11.30 13.80 D 181017.67-225419.1
18103-2254 ARA1848 2010 6 37 7.4 11.30 13.80 181017.67-225419.1

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