17439+1455 J  2115

 
 
17h 43m 59.54s +14 54' 14.0" P.A. 226 sep 6.6 mag 10.21,10.80
 
 
Coord 2000
17439+1455
Discov num
J  2115
Comp
Coord arcsec 2000
17 43 59.54 +14 54 14.0
Date first
1896
Date last
2016
Obs
8
Pa first
224
Pa last
226
P.A. Now (θ)
226°
Sep first
6.3
Sep last
6.6
Sep. Now (ρ)
6.6"
Mag pri
10.21
Mag sec
10.80
delta mag (ΔM)
0.59
Spectral class
Pri motion ra
+009
Sec motion ra
+000
Pri motion dec
-014
Sec motion dec
-024
Notes
rPM=0.561
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
225.6
Precise sep
6.642
Constellation
Hercules
Tycho2
1005-02141-1
last precise pa
225.6
last precise sep
6.642
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17439+1455 J 2115 1998 5 224 6.5 10.21 10.80 D 174359.54+145414.0
17439+1455 J 2115 2008 6 223 6.5 10.21 10.80 D 174359.54+145414.0
17439+1455 J 2115 2010 8 223 6.0 10.21 10.80 174359.54+145414.0
17439+1455 J 2115 2016 8 226 6.6 10.21 10.80 174359.54+145414.0

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