18378-2103 ARA1549

 
 
18h 37m 48.94s -21 03' 05.1" P.A. 187 sep 14.3 mag 12.30,13.30
 
 
Coord 2000
18378-2103
Discov num
ARA1549
Comp
Coord arcsec 2000
18 37 48.94 -21 03 05.1
Date first
1921
Date last
2010
Obs
7
Pa first
183
Pa last
187
P.A. Now (θ)
187°
Sep first
14.6
Sep last
14.3
Sep. Now (ρ)
14.3"
Mag pri
12.30
Mag sec
13.30
delta mag (ΔM)
1
Spectral class
Pri motion ra
+011
Sec motion ra
-005
Pri motion dec
-001
Sec motion dec
+007
Notes
rPM=1.62
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
187.4
Precise sep
14.31
Constellation
Sagittarius
last precise pa
187.4
last precise sep
14.31
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18378-2103 ARA1549 1998 4 187 14.1 12.30 13.30 D 183748.94-210305.1
18378-2103 ARA1549 1999 5 187 14.2 12.30 13.30 D 183748.94-210305.1
18378-2103 ARA1549 2010 7 188 14.3 12.30 13.30 183748.94-210305.1

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