18435-3355 I   638

 
 
18h 43m 31.32s -33 55' 23.6" P.A. 114 sep 0.6 mag 8.32,10.20 Sp F7V dist. 161.55 pc (526.98 l.y.)
 
 
Coord 2000
18435-3355
Discov num
I   638
Comp
Coord arcsec 2000
18 43 31.32 -33 55 23.6
Date first
1909
Date last
1991
Obs
6
Pa first
130
Pa last
114
P.A. Now (θ)
114°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
8.32
Mag sec
10.20
delta mag (ΔM)
1.88
Spectral class
F7V (yellow-white)
Pri motion ra
+040
Sec motion ra
+040
Pri motion dec
+001
Sec motion dec
+001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
113.5
Precise sep
0.64
Constellation
Sagittarius
HIP
91846
Tycho2
7415-00192-1
HD
172796
CD
CD-3413062
CP
CP-34 8037
Distance
161.55
Distance ly
526.98
last precise pa
113.5
last precise sep
0.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18435-3355 I 638 1991 6 114 0.6 8.32 10.20 F7V D 184331.32-335523.6

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