18522-4143 HDO 291A,BC

 
 
18H 52M 11.94S -41 42' 33.1" P.A. 341 SEP 36.6 MAG 6.62,11.39 SP K3III
 
 
Coord 2000
18522-4143
Discov num
HDO 291
Comp
A,BC
Coord arcsec 2000
18 52 11.94 -41 42 33.1
Date first
1897
Date last
2010
Obs
9
Pa first
322
Pa last
341
P.A. Now (θ)
341°
Sep first
25.0
Sep last
36.6
Sep. Now (ρ)
36.6"
Mag pri
6.62
Mag sec
11.39
delta mag (ΔM)
4.77
Spectral class
K3III (yellow-orange)
Pri motion ra
-008
Sec motion ra
+006
Pri motion dec
-030
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
18522-4143 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18522-4143 HDO 291 A,BC 1897 2010 9 341 36.6 6.62 11.39 4.77 <===
Show 18522-4143 I 1385 BC 1926 1926 1 292 0.6 10.20 12.20 2.00
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Corona Austrina
last precise pa
340.9
last precise sep
36.61