18583-4418 B  2872

 
 
18h 58m 23.38s -44 18' 32.7" P.A. 302 sep 3.7 mag 12.34,12.78
 
 
Coord 2000
18583-4418
Discov num
B  2872
Comp
Coord arcsec 2000
18 58 23.38 -44 18 32.7
Date first
1930
Date last
1999
Obs
3
Pa first
303
Pa last
302
P.A. Now (θ)
302°
Sep first
4.0
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
12.34
Mag sec
12.78
delta mag (ΔM)
0.44
Spectral class
Pri motion ra
+028
Sec motion ra
-064
Pri motion dec
-043
Sec motion dec
-004
Notes
B (Blue magnitudes)
rPM=1.558
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
301.6
Precise sep
3.72
Constellation
Corona Austrina
last precise pa
301.6
last precise sep
3.72
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18583-4418 B 2872 1930 1 303 4.0 12.34 12.78 B 185818.51-441648.8
18583-4418 B 2872 1999 2 302 3.7 12.34 12.78 DB 185823.38-441832.7

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