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 dist. 208.77 pc (681.01 l.y.)
 
 
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
rPM=0.923
This double is not physical.
 
 
18522-4143 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 229334 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
 
 
Precise pa
340.9
Precise sep
36.61
Constellation
Corona Austrina
SAO
229334
HIP
92608
Tycho2
7924-02671-1
HD
174407
CD
CD-4113180
CP
CP-41 8794
Distance
208.77
Distance ly
681.01
last precise pa
340.9
last precise sep
36.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18522-4143 HDO 291 A,BC 1999 7 342 36.7 6.62 10.10 K3III D 185211.94-414233.1
18522-4143 HDO 291 A,BC 2010 8 341 36.6 6.62 10.10 K3III D 185211.94-414233.1

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