18046-4534 B  2429

 
 
18h 04m 33.44s -45 33' 30.3" P.A. 339 sep 12.6 mag 8.16,12.70 Sp A3II/III
 
 
Coord 2000
18046-4534
Discov num
B  2429
Comp
Coord arcsec 2000
18 04 33.44 -45 33 30.3
Date first
1930
Date last
2010
Obs
5
Pa first
0
Pa last
339
P.A. Now (θ)
339°
Sep first
7.0
Sep last
12.6
Sep. Now (ρ)
12.6"
Mag pri
8.16
Mag sec
12.70
delta mag (ΔM)
4.54
Spectral class
A3II/III (white)
Pri motion ra
+015
Sec motion ra
Pri motion dec
-028
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
338.5
Precise sep
12.56
Constellation
Ara
SAO
228668
Tycho2
8357-02795-1
HD
164659
last precise pa
338.5
last precise sep
12.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18046-4534 B 2429 1930 1 0 7.0 8.16 12.70 A3II/III 180433.44-453330.3
18046-4534 B 2429 2000 4 338 12.4 8.16 12.70 A3II/III 180433.44-453330.3
18046-4534 B 2429 2010 5 339 12.6 8.16 12.70 A3II/III 180433.44-453330.3

If you need more information about this double, apply for a data request form to the WDS.