16503-4901 B  1829

 
 
16h 50m 19.00s -49 01' 16.2" P.A. 57 sep 3.8 mag 10.38,12.50 Sp A1/2IV
 
 
Coord 2000
16503-4901
Discov num
B  1829
Comp
Coord arcsec 2000
16 50 19.00 -49 01 16.2
Date first
1931
Date last
1999
Obs
3
Pa first
57
Pa last
57
P.A. Now (θ)
57°
Sep first
3.8
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
10.38
Mag sec
12.50
delta mag (ΔM)
2.12
Spectral class
A1/2IV (white)
Pri motion ra
-016
Sec motion ra
Pri motion dec
-023
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
57.3
Precise sep
3.81
Constellation
Ara
SAO
227279
Tycho2
8334-00808-1
HD
151538
last precise pa
57.3
last precise sep
3.81
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16503-4901 B 1829 1999 2 57 3.8 10.38 12.50 A1/2IV D 165019.00-490116.2

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