18034-2237 ARA1839

 
 
18h 03m 24.89s -22 37' 01.3" P.A. 42 sep 12.7 mag 8.18,12.00 Sp B3nn
 
 
Coord 2000
18034-2237
Discov num
ARA1839
Comp
Coord arcsec 2000
18 03 24.89 -22 37 01.3
Date first
1921
Date last
1999
Obs
5
Pa first
42
Pa last
42
P.A. Now (θ)
42°
Sep first
11.7
Sep last
12.7
Sep. Now (ρ)
12.7"
Mag pri
8.18
Mag sec
12.00
delta mag (ΔM)
3.82
Spectral class
B3nn (blue-white)
Pri motion ra
+003
Sec motion ra
+010
Pri motion dec
-002
Sec motion dec
+008
Notes
rPM=0.953
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
42.2
Precise sep
12.692
Constellation
Sagittarius
SAO
186185
Tycho2
6842-00181-1
HD
164717
last precise pa
42.2
last precise sep
12.692
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18034-2237 ARA1839 1999 4 43 12.7 8.18 12.00 B3nn D 180324.89-223701.3

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