12515-1920 J  1584

 
 
12h 51m 30.25s -19 19' 33.7" P.A. 275 sep 11.2 mag 11.70,11.70
 
 
Coord 2000
12515-1920
Discov num
J  1584
Comp
Coord arcsec 2000
12 51 30.25 -19 19 33.7
Date first
1916
Date last
2017
Obs
13
Pa first
258
Pa last
275
P.A. Now (θ)
275°
Sep first
8.2
Sep last
11.2
Sep. Now (ρ)
11.2"
Mag pri
11.70
Mag sec
11.70
delta mag (ΔM)
0
Spectral class
Pri motion ra
-024
Sec motion ra
-055
Pri motion dec
-025
Sec motion dec
+002
Notes
rPM=0.747
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274.8
Precise sep
11.2
Constellation
Corvus
last precise pa
274.8
last precise sep
11.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12515-1920 J 1584 1998 6 271 10.7 11.70 11.70 D 125130.25-191933.7
12515-1920 J 1584 2008 7 272 11.2 11.70 11.70 D 125130.25-191933.7
12515-1920 J 1584 2012 9 273 11.0 11.70 11.70 D 125130.25-191933.7
12515-1920 J 1584 2016 12 273 11.3 11.70 11.70 125130.25-191933.7
12515-1920 J 1584 2017 13 275 11.2 11.70 11.70 125130.25-191933.7

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