18113-2111 ARA1516

 
 
18h 11m 15.46s -21 11' 16.1" P.A. 274 sep 13.4 mag 11.40,12.60
 
 
Coord 2000
18113-2111
Discov num
ARA1516
Comp
Coord arcsec 2000
18 11 15.46 -21 11 16.1
Date first
1920
Date last
2000
Obs
5
Pa first
274
Pa last
274
P.A. Now (θ)
274°
Sep first
13.1
Sep last
13.4
Sep. Now (ρ)
13.4"
Mag pri
11.40
Mag sec
12.60
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
+007
Sec motion ra
+002
Pri motion dec
-004
Sec motion dec
-006
Notes
rPM=0.668
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274.3
Precise sep
13.431
Constellation
Sagittarius
last precise pa
274.3
last precise sep
13.431
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18113-2111 ARA1516 1998 2 274 13.5 11.40 12.60 D 181115.46-211116.1
18113-2111 ARA1516 2000 4 274 13.4 11.40 12.60 D 181115.46-211116.1

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