13209-1615 BRT 581

 
 
13h 20m 58.44s -16 15' 49.1" P.A. 228 sep 4.3 mag 12.78,12.76
 
 
Coord 2000
13209-1615
Discov num
BRT 581
Comp
Coord arcsec 2000
13 20 58.44 -16 15 49.1
Date first
1905
Date last
2010
Obs
4
Pa first
232
Pa last
228
P.A. Now (θ)
228°
Sep first
4.7
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
12.78
Mag sec
12.76
delta mag (ΔM)
0.02
Spectral class
Pri motion ra
+002
Sec motion ra
-019
Pri motion dec
+022
Sec motion dec
+000
Notes
B (Blue magnitudes)
rPM=1.377
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
227.5
Precise sep
4.3
Cdsa2 id
BRT 581
Constellation
Virgo
Ra deg
13.349566666666668
De deg
-16.263638888888888
last precise pa
227.5
last precise sep
4.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13209-1615 BRT 581 1998 2 229 4.5 12.78 12.76 DB 132058.44-161549.1
13209-1615 BRT 581 1999 3 229 4.6 12.78 12.76 DB 132058.44-161549.1
13209-1615 BRT 581 2010 4 228 4.3 12.78 12.76 B 132058.44-161549.1

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