16411-4745 SLR  21

 
 
16h 41m 05.59s -47 44' 45.9" P.A. 317 sep 1.9 mag 7.39,9.41 Sp B5III dist. 254.45 pc (830.02 l.y.)
 
 
Coord 2000
16411-4745
Discov num
SLR  21
Comp
Coord arcsec 2000
16 41 05.59 -47 44 45.9
Date first
1895
Date last
2016
Obs
12
Pa first
322
Pa last
317
P.A. Now (θ)
317°
Sep first
1.5
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
7.39
Mag sec
9.41
delta mag (ΔM)
2.02
Spectral class
B5III (blue-white)
Pri motion ra
+006
Sec motion ra
+006
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
316.9
Precise sep
1.9
Constellation
Ara
SAO
227044
HIP
81678
Tycho2
8329-03457-1
HD
150083
CD
CD-4710942
CP
CP-47 7821
Distance
254.45
Distance ly
830.02
last precise pa
316.9
last precise sep
1.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16411-4745 SLR 21 1991 11 321 1.7 7.39 9.41 B5III D 164105.59-474445.9
16411-4745 SLR 21 2016 12 317 1.9 7.39 9.41 B5III 164105.59-474445.9

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