16506-5548 I   572

 
 
16h 50m 37.45s -55 47' 29.8" P.A. 167 sep 4.1 mag 9.98,13.30 Sp B8III/IV
 
 
Coord 2000
16506-5548
Discov num
I   572
Comp
Coord arcsec 2000
16 50 37.45 -55 47 29.8
Date first
1909
Date last
2000
Obs
3
Pa first
160
Pa last
167
P.A. Now (θ)
167°
Sep first
2.0
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
9.98
Mag sec
13.30
delta mag (ΔM)
3.32
Spectral class
B8III/IV (blue-white)
Pri motion ra
-007
Sec motion ra
Pri motion dec
-015
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
166.7
Precise sep
4.11
Constellation
Ara
SAO
244182
Tycho2
8717-03455-1
HD
151478
last precise pa
166.7
last precise sep
4.11
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16506-5548 I 572 1909 1 160 2.0 9.98 13.30 B8III/IV 165037.45-554729.8
16506-5548 I 572 2000 3 167 4.1 9.98 13.30 B8III/IV 165037.45-554729.8

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