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
Gaia DR2
98992561664
 
 
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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