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
Constellation
Sagittarius
SAO
161477
HIP
90418
Tycho2
6270-00111-1
HD
169757
BD
BD-17 5196
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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