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
Cdsa2 id
J 1584
Constellation
Corvus
Ra deg
12.858402777777778
De deg
-19.326027777777778
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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