18147-1939 J  1623

 
 
18H 14M 50.03S -19 37' 44.5" P.A. 31 SEP 7.2 MAG 11.92,12.77 SP B9/A0V
 
 
Coord 2000
18147-1939
Discov num
J  1623
Comp
Coord arcsec 2000
18 14 50.03 -19 37 44.5
Date first
1941
Date last
1999
Obs
4
Pa first
35
Pa last
31
P.A. Now (θ)
31°
Sep first
5.0
Sep last
7.2
Sep. Now (ρ)
7.2"
Mag pri
11.92
Mag sec
12.77
delta mag (ΔM)
0.85
Spectral class
B9/A0V (blue-white)
Pri motion ra
+000
Sec motion ra
+023
Pri motion dec
-010
Sec motion dec
+034
Notes
N (See Notes)
rPM=1.21
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6272-01817-1
last precise pa
31.3
last precise sep
7.165