17421+1707 LDS1001

 
 
17h 41m 40.29s +17 07' 57.0" P.A. 116 sep 42.7 mag 12.37,13.56
 
 
Coord 2000
17421+1707
Discov num
LDS1001
Comp
Coord arcsec 2000
17 41 40.29 +17 07 57.0
Date first
1936
Date last
2010
Obs
4
Pa first
115
Pa last
116
P.A. Now (θ)
116°
Sep first
40.0
Sep last
42.7
Sep. Now (ρ)
42.7"
Mag pri
12.37
Mag sec
13.56
delta mag (ΔM)
1.19
Spectral class
Pri motion ra
-046
Sec motion ra
-028
Pri motion dec
-034
Sec motion dec
-052
Notes
rPM=0.431
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
115.6
Precise sep
42.68
Constellation
Hercules
last precise pa
115.6
last precise sep
42.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17421+1707 LDS1001 1936 1 115 40.0 13.20 14.40 X 174260.00+170700.0
17421+1707 LDS1001 1998 2 116 42.4 12.68 13.63 174140.29+170757.0
17421+1707 LDS1001 2001 3 116 42.5 12.68 13.63 D 174140.29+170757.0
17421+1707 LDS1001 2010 4 116 42.7 12.37 13.56 174140.29+170757.0

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