18361-2154 ARA1546

 
 
18h 36m 05.01s -21 54' 30.5" P.A. 174 sep 10.5 mag 13.70,13.90
 
 
Coord 2000
18361-2154
Discov num
ARA1546
Comp
Coord arcsec 2000
18 36 05.01 -21 54 30.5
Date first
1922
Date last
1999
Obs
4
Pa first
173
Pa last
174
P.A. Now (θ)
174°
Sep first
11.4
Sep last
10.5
Sep. Now (ρ)
10.5"
Mag pri
13.70
Mag sec
13.90
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+004
Sec motion ra
+006
Pri motion dec
-006
Sec motion dec
-010
Notes
rPM=0.383
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
173.8
Precise sep
10.503
Constellation
Sagittarius
last precise pa
173.8
last precise sep
10.503
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18361-2154 ARA1546 1998 2 174 10.5 13.70 13.90 D 183605.01-215430.5
18361-2154 ARA1546 1999 3 174 10.5 13.70 13.90 D 183605.01-215430.5

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