18269-1712 BU  965

 
 
18h 26m 55.95s -17 11' 51.4" P.A. 109 sep 1.5 mag 7.90,11.60 Sp A3III/IV dist. 183.15 pc (597.44 l.y.)
 
 
Coord 2000
18269-1712
Discov num
BU  965
Comp
Coord arcsec 2000
18 26 55.95 -17 11 51.4
Date first
1880
Date last
1921
Obs
4
Pa first
106
Pa last
109
P.A. Now (θ)
109°
Sep first
1.6
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
7.90
Mag sec
11.60
delta mag (ΔM)
3.7
Spectral class
A3III/IV (white)
Pri motion ra
+013
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
108.6
Precise sep
1.45
Cdsa2 id
BU 965
Constellation
Sagittarius
SAO
161477
HIP
90418
Tycho2
6270-00111-1
HD
169757
BD
BD-17 5196
Ra deg
18.448875
De deg
-17.19761111111111
Distance
183.15
Distance ly
597.44
last precise pa
108.6
last precise sep
1.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18269-1712 BU 965 1921 4 109 1.5 7.90 11.60 A3III/IV 182655.95-171151.4

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