18438-3819 COO 227AC

 
 
18h 43m 46.94s -38 19' 24.3" P.A. 51 sep 43.3 mag 5.13,9.90 Sp A2Vn dist. 62.93 pc (205.28 l.y.)
 
 
Coord 2000
18438-3819
Discov num
COO 227
Comp
AC
Coord arcsec 2000
18 43 46.94 -38 19 24.3
Date first
1900
Date last
2008
Obs
5
Pa first
57
Pa last
51
P.A. Now (θ)
51°
Sep first
40.0
Sep last
43.3
Sep. Now (ρ)
43.3"
Mag pri
5.13
Mag sec
9.90
delta mag (ΔM)
4.77
Spectral class
A2Vn (white)
Pri motion ra
+001
Sec motion ra
+037
Pri motion dec
-054
Sec motion dec
-005
Notes
N (See Notes)
rPM=1.126
This double is not physical.
 
 
18438-3819 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Lam CrA 210501 18438-3819 COO 227 AB 1894 2016 23 213 29.5 5.12 10.01 4.89
Show 210501 18438-3819 COO 227 AC 1900 2008 5 51 43.3 5.13 9.90 4.77 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
50.9
Precise sep
43.26
Constellation
Corona Austrina
SAO
210501
HIP
91875
Tycho2
7915-01673-1
HD
172777
HR
7021
GC
25599
CD
CD-3813036
CP
CP-38 7574
Bayer
Lambda Coronae Austrinae
Bayer name
Lam CrA
Distance
62.93
Distance ly
205.28
last precise pa
50.9
last precise sep
43.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18438-3819 COO 227 AC 2002 3 52 42.9 5.12   A2Vn N D 184346.94-381924.3
18438-3819 COO 227 AC 2008 4 51 43.3 5.12   A2Vn N D 184346.94-381924.3

If you need more information about this double, apply for a data request form to the WDS.