18077-1913 ARA 729

 
 
18h 07m 40.00s -19 13' 07.4" P.A. 343 sep 13.1 mag 10.78,11.31 Sp B0
 
 
Coord 2000
18077-1913
Discov num
ARA 729
Comp
Coord arcsec 2000
18 07 40.00 -19 13 07.4
Date first
1917
Date last
2010
Obs
8
Pa first
344
Pa last
343
P.A. Now (θ)
343°
Sep first
12.9
Sep last
13.1
Sep. Now (ρ)
13.1"
Mag pri
10.78
Mag sec
11.31
delta mag (ΔM)
0.53
Spectral class
B0 (blue-white)
Pri motion ra
+001
Sec motion ra
-001
Pri motion dec
-001
Sec motion dec
+002
Notes
rPM=1.612
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
343.3
Precise sep
13.09
Constellation
Sagittarius
Tycho2
6259-02737-1
HD
312659
last precise pa
343.3
last precise sep
13.09
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18077-1913 ARA 729 1998 5 343 13.1 10.78 11.31 D 180740.00-191307.4
18077-1913 ARA 729 2008 6 343 13.0 10.78 11.31 D 180740.00-191307.4
18077-1913 ARA 729 2010 8 343 13.0 10.78 11.31 B0 180740.00-191307.4

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