17457+4132 POP 216

 
 
17h 44m 25.84s +41 35' 38.0" P.A. 89 sep 7.9 mag 10.90,10.90
 
 
Coord 2000
17457+4132
Discov num
POP 216
Comp
Coord arcsec 2000
17 44 25.84 +41 35 38.0
Date first
1893
Date last
2010
Obs
8
Pa first
91
Pa last
89
P.A. Now (θ)
89°
Sep first
8.0
Sep last
7.9
Sep. Now (ρ)
7.9"
Mag pri
10.90
Mag sec
10.90
delta mag (ΔM)
0
Spectral class
Pri motion ra
-005
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
89.2
Precise sep
7.92
Constellation
Hercules
Tycho2
3096-01360-1
last precise pa
89.2
last precise sep
7.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17457+4132 POP 216 1995 2 88 8.1 10.29   I 174542.81+413214.9
17457+4132 POP 216 2003 5 89 8.0 10.29   I 174425.84+413538.0
17457+4132 POP 216 2010 8 89 7.9 10.90 10.90 R 174425.84+413538.0

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