17071+2029 SLE   9

 
 
17h 07m 06.29s +20 29' 21.7" P.A. 173 sep 20 mag 10.49,12.30
 
 
Coord 2000
17071+2029
Discov num
SLE   9
Comp
Coord arcsec 2000
17 07 06.29 +20 29 21.7
Date first
1894
Date last
2012
Obs
15
Pa first
173
Pa last
173
P.A. Now (θ)
173°
Sep first
20.4
Sep last
20.0
Sep. Now (ρ)
20"
Mag pri
10.49
Mag sec
12.30
delta mag (ΔM)
1.81
Spectral class
Pri motion ra
-008
Sec motion ra
-009
Pri motion dec
+000
Sec motion dec
+000
Notes
rPM=0.111 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
173.1
Precise sep
20.04
Constellation
Hercules
Tycho2
1543-00131-1
last precise pa
177
last precise sep
20.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17071+2029 SLE 9 1999 5 173 19.9 10.49 11.94 170706.29+202921.7
17071+2029 SLE 9 2007 6 172 20.6 10.49 11.94 170706.29+202921.7
17071+2029 SLE 9 2008 8 173 20.2 10.49 11.94 170706.29+202921.7
17071+2029 SLE 9 2010 11 173 19.8 10.49 12.30 170706.29+202921.7
17071+2029 SLE 9 2011 13 174 20.1 10.49 12.30 170706.29+202921.7
17071+2029 SLE 9 2012 15 173 20.0 10.49 12.30 170706.29+202921.7

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