16531-4523 I   575

 
 
16h 53m 04.17s -45 23' 11.3" P.A. 153 sep 0.9 mag 9.80,11.70 Sp F2V
 
 
Coord 2000
16531-4523
Discov num
I   575
Comp
Coord arcsec 2000
16 53 04.17 -45 23 11.3
Date first
1909
Date last
1937
Obs
4
Pa first
142
Pa last
153
P.A. Now (θ)
153°
Sep first
0.7
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
9.80
Mag sec
11.70
delta mag (ΔM)
1.9
Spectral class
F2V (yellow-white)
Pri motion ra
-007
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
153.4
Precise sep
0.94
Constellation
Scorpius
SAO
227340
Tycho2
8327-01139-1
HD
152021
last precise pa
153.4
last precise sep
0.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16531-4523 I 575 1937 4 153 0.9 9.80 11.70 F2V 165304.17-452311.3

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