19218-2324 ARA2257

 
 
19h 21m 51.58s -23 23' 26.2" P.A. 262 sep 7.4 mag 12.40,12.50
 
 
Coord 2000
19218-2324
Discov num
ARA2257
Comp
Coord arcsec 2000
19 21 51.58 -23 23 26.2
Date first
1910
Date last
2000
Obs
5
Pa first
277
Pa last
262
P.A. Now (θ)
262°
Sep first
9.0
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
12.40
Mag sec
12.50
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+004
Sec motion ra
+014
Pri motion dec
-004
Sec motion dec
-020
Notes
rPM=0.773
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
262.1
Precise sep
7.42
Constellation
Sagittarius
last precise pa
262.1
last precise sep
7.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19218-2324 ARA2257 1998 3 263 7.5 12.40 12.50 D 192151.58-232326.2
19218-2324 ARA2257 1999 4 262 7.5 12.40 12.50 D 192151.58-232326.2
19218-2324 ARA2257 2000 5 262 7.4 12.40 12.50 192151.58-232326.2
19218-2324 ARA2257 2010 6 262 7.2 12.40 12.50 192151.58-232326.2

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