17179+2659 SLE  25

 
 
17h 17m 56.24s +26 58' 51.5" P.A. 94 sep 19.4 mag 11.44,12.81
 
 
Coord 2000
17179+2659
Discov num
SLE  25
Comp
Coord arcsec 2000
17 17 56.24 +26 58 51.5
Date first
1897
Date last
2012
Obs
7
Pa first
103
Pa last
94
P.A. Now (θ)
94°
Sep first
18.3
Sep last
19.4
Sep. Now (ρ)
19.4"
Mag pri
11.44
Mag sec
12.81
delta mag (ΔM)
1.37
Spectral class
Pri motion ra
+001
Sec motion ra
+007
Pri motion dec
-001
Sec motion dec
+024
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
2069-01981-1
last precise pa
94.1
last precise sep
19.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17179+2659 SLE 25 1999 4 95 18.9 11.44 11.90 D 171756.24+265851.5
17179+2659 SLE 25 2002 5 95 19.1 11.44 11.90 D 171756.24+265851.5
17179+2659 SLE 25 2012 6 94 19.4 11.44 11.90 D 171756.24+265851.5

If you need more information about this double, apply for a data request form to the WDS.