18409-7204 I   636

 
 
18H 40M 55.38S -72 04' 20.1" P.A. 230 SEP 1.1 MAG 8.89,10.11 SP A3V
 
 
Coord 2000
18409-7204
Discov num
I   636
Comp
Coord arcsec 2000
18 40 55.38 -72 04 20.1
Date first
1909
Date last
1991
Obs
6
Pa first
240
Pa last
230
P.A. Now (θ)
230°
Sep first
1.2
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
8.89
Mag sec
10.11
delta mag (ΔM)
1.22
Spectral class
A3V (white)
Pri motion ra
+008
Sec motion ra
+008
Pri motion dec
-012
Sec motion dec
-012
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pavo
Tycho2
9299-00907-1
HD
171310
last precise pa
230.3
last precise sep
1.128