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
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
186185
Tycho2
6842-00181-1
HD
164717
last precise pa
42.2
last precise sep
12.692