16016-5409 I   554AB

 
 
16h 01m 36.22s -54 08' 35.4" P.A. 183 sep 3.2 mag 8.17,11.40 Sp M1/2+B/F
 
 
Coord 2000
16016-5409
Discov num
I   554
Comp
AB
Coord arcsec 2000
16 01 36.22 -54 08 35.4
Date first
1909
Date last
1933
Obs
5
Pa first
180
Pa last
183
P.A. Now (θ)
183°
Sep first
2.5
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
8.17
Mag sec
11.40
delta mag (ΔM)
3.23
Spectral class
M1/2+B/F (red/blue-white)
Pri motion ra
+016
Sec motion ra
Pri motion dec
-019
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
16016-5409 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16016-5409 I 554 AB 1909 1933 5 183 3.2 8.17 11.40 3.23 <===
Show 16016-5409 I 554 AC 1913 1972 3 159 5.6 8.17 11.40 3.23
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
183.2
Precise sep
3.21
Constellation
Norma
Tycho2
8710-01370-1
HD
143183
last precise pa
183.2
last precise sep
3.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16016-5409 I 554 AB 1933 5 183 3.2 8.17 11.40 M1/2+B/F 160136.22-540835.4

If you need more information about this double, apply for a data request form to the WDS.