16400-4642 B  2391AB

 
 
16h 39m 59.45s -46 42' 27.4" P.A. 146 sep 6.4 mag 9.23,13.70 Sp F5V
 
 
Coord 2000
16400-4642
Discov num
B  2391
Comp
AB
Coord arcsec 2000
16 39 59.45 -46 42 27.4
Date first
1929
Date last
1999
Obs
3
Pa first
150
Pa last
146
P.A. Now (θ)
146°
Sep first
6.0
Sep last
6.4
Sep. Now (ρ)
6.4"
Mag pri
9.23
Mag sec
13.70
delta mag (ΔM)
4.47
Spectral class
F5V (yellow-white)
Pri motion ra
+004
Sec motion ra
Pri motion dec
+012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
16400-4642 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227022 16400-4642 B 2391 AB 1929 1999 3 146 6.4 9.23 13.70 4.47 <===
Show 227022 16400-4642 SIN 96 AC 1987 1999 3 275 36.5 9.23 13.72 4.49
Show 227022 16400-4642 SIN 96 AD 1987 1999 3 71 39.6 9.23 12.66 3.43
Show 227022 16400-4642 SIN 96 AE 1987 1999 3 280 45.2 9.23 14.40 5.17
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
145.6
Precise sep
6.36
Constellation
Ara
SAO
227022
Tycho2
8325-02602-1
HD
149921
last precise pa
145.6
last precise sep
6.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16400-4642 B 2391 AB 1999 3 146 6.4 9.23 13.70 F5V D 163959.45-464227.4

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