18041-2230 ARA1841

 
 
18h 04m 07.44s -22 29' 31.8" P.A. 32 sep 7.9 mag 12.40,12.70 Sp B
 
 
Coord 2000
18041-2230
Discov num
ARA1841
Comp
Coord arcsec 2000
18 04 07.44 -22 29 31.8
Date first
1921
Date last
1999
Obs
6
Pa first
33
Pa last
32
P.A. Now (θ)
32°
Sep first
7.6
Sep last
7.9
Sep. Now (ρ)
7.9"
Mag pri
12.40
Mag sec
12.70
delta mag (ΔM)
0.3
Spectral class
B (blue-white)
Pri motion ra
-003
Sec motion ra
+004
Pri motion dec
+001
Sec motion dec
+003
Notes
rPM=1.456
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
32
Precise sep
7.914
Constellation
Sagittarius
SAO
186215
Tycho2
6263-00104-1
HD
313693
last precise pa
32
last precise sep
7.914
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18041-2230 ARA1841 1999 4 31 7.9 12.40 12.70 B D 180407.44-222931.8

If you need more information about this double, apply for a data request form to the WDS.