16441-4728 B  1822BC

 
 
16h 44m 07.51s -47 28' 10.6" P.A. 323 sep 2.1 mag 10.30,12.40 Sp B1IV
 
 
Coord 2000
16441-4728
Discov num
B  1822
Comp
BC
Coord arcsec 2000
16 44 07.51 -47 28 10.6
Date first
1929
Date last
2000
Obs
2
Pa first
323
Pa last
323
P.A. Now (θ)
323°
Sep first
2.2
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
10.30
Mag sec
12.40
delta mag (ΔM)
2.1
Spectral class
B1IV (blue-white)
Pri motion ra
-022
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
16441-4728 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227124 16441-4728 HJ 4881 AB 1834 1999 8 263 10.1 9.29 10.30 1.01
Show 227122 16441-4728 B 1822 BC 1929 2000 2 323 2.1 10.30 12.40 2.10 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
323
Precise sep
2.09
Constellation
Ara
SAO
227122
Tycho2
8330-03260-1
HD
150627
last precise pa
323
last precise sep
2.09
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16441-4728 B 1822 BC 1929 1 323 2.2 10.50 12.50 164460.00-472800.0
16441-4728 B 1822 BC 2000 2 323 2.1 10.30 12.40 B1IV 164407.51-472810.6

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