18220-2344 ARA2229

 
 
18h 22m 01.77s -23 44' 34.6" P.A. 246 sep 13.5 mag 10.26,11.81 Sp K5
 
 
Coord 2000
18220-2344
Discov num
ARA2229
Comp
Coord arcsec 2000
18 22 01.77 -23 44 34.6
Date first
1911
Date last
2001
Obs
7
Pa first
244
Pa last
246
P.A. Now (θ)
246°
Sep first
13.9
Sep last
13.5
Sep. Now (ρ)
13.5"
Mag pri
10.26
Mag sec
11.81
delta mag (ΔM)
1.55
Spectral class
K5 (yellow-orange)
Pri motion ra
-004
Sec motion ra
-005
Pri motion dec
-010
Sec motion dec
-003
Notes
rPM=0.657
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
246.1
Precise sep
13.541
Constellation
Sagittarius
Tycho2
6844-03602-1
HD
314418
last precise pa
246.1
last precise sep
13.541
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18220-2344 ARA2229 1999 5 246 13.6 10.26 11.82 D 182201.77-234434.6
18220-2344 ARA2229 2001 7 246 13.5 10.26 11.82 D 182201.77-234434.6

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