18503-0754 BU  969AB

 
 
18h 50m 20.03s -07 54' 27.4" P.A. 239 sep 14.4 mag 6.82,11.90 Sp C5II
 
 
Coord 2000
18503-0754
Discov num
BU  969
Comp
AB
Coord arcsec 2000
18 50 20.03 -07 54 27.4
Date first
1880
Date last
2009
Obs
9
Pa first
237
Pa last
239
P.A. Now (θ)
239°
Sep first
14.3
Sep last
14.4
Sep. Now (ρ)
14.4"
Mag pri
6.82
Mag sec
11.90
delta mag (ΔM)
5.08
Spectral class
C5II (red carbon star)
Pri motion ra
+014
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
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
239
Precise sep
14.37
Constellation
Scutum
SAO
142674
HD
174325
HR
7089
last precise pa
239
last precise sep
14.37
 
 
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 AB 1962 8 239 14.4 6.82 11.90 C5II N 185020.03-075427.4
18503-0754 BU 969 AB 2009 9 239 14.4 6.82 11.90 C5II N 185020.03-075427.4

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