18503-0754 BU  969AC

 
 
18h 50m 20.03s -07 54' 27.4" P.A. 102 sep 43.2 mag 6.82,12.50 Sp C5II
 
 
Coord 2000
18503-0754
Discov num
BU  969
Comp
AC
Coord arcsec 2000
18 50 20.03 -07 54 27.4
Date first
1913
Date last
2009
Obs
4
Pa first
102
Pa last
102
P.A. Now (θ)
102°
Sep first
44.1
Sep last
43.2
Sep. Now (ρ)
43.2"
Mag pri
6.82
Mag sec
12.50
delta mag (ΔM)
5.68
Spectral class
C5II (red carbon star)
Pri motion ra
+008
Sec motion ra
-013
Pri motion dec
-005
Sec motion dec
+017
Notes
N (See Notes)
rPM=1.421
This double is not physical.
 
 
18503-0754 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 142674 18503-0754 BU 969 AB 1880 2009 9 239 14.4 6.82 11.90 5.08
Show 18503-0754 BU 969 AC 1913 2009 4 102 43.2 6.82 12.50 5.68 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
101.6
Precise sep
43.23
Constellation
Scutum
last precise pa
101.6
last precise sep
43.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18503-0754 BU 969 AC 2000 2 102 43.1 6.82 12.50 C5II N D 185020.03-075427.4
18503-0754 BU 969 AC 2009 3 102 43.2 6.82 12.50 C5II N D 185020.03-075427.4

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