12457-1734 FEN  17

 
 
12h 45m 41.59s -17 34' 13.1" P.A. 90 sep 4.6 mag 12.53,13.65
 
 
Coord 2000
12457-1734
Discov num
FEN  17
Comp
Coord arcsec 2000
12 45 41.59 -17 34 13.1
Date first
1916
Date last
1916
Obs
1
Pa first
90
Pa last
90
P.A. Now (θ)
90°
Sep first
4.6
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
12.53
Mag sec
13.65
delta mag (ΔM)
1.12
Spectral class
Pri motion ra
+001
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
N B (See Notes, Blue magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
89.7
Precise sep
4.622
Constellation
Corvus
last precise pa
89.7
last precise sep
4.622
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12457-1734 FEN 17 1916 1 90 4.6 12.53 13.65 N B 124541.59-173413.1

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