17170+5612 SLE  81

 
 
17h 17m 01.98s +56 12' 18.7" P.A. 16 sep 17.5 mag 10.35,11.79
 
 
Coord 2000
17170+5612
Discov num
SLE  81
Comp
Coord arcsec 2000
17 17 01.98 +56 12 18.7
Date first
1917
Date last
2010
Obs
7
Pa first
16
Pa last
16
P.A. Now (θ)
16°
Sep first
17.1
Sep last
17.5
Sep. Now (ρ)
17.5"
Mag pri
10.35
Mag sec
11.79
delta mag (ΔM)
1.44
Spectral class
Pri motion ra
-029
Sec motion ra
-026
Pri motion dec
+065
Sec motion dec
+066
Notes
V (Proper motion indicates physical)
rPM=0.044 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
15.9
Precise sep
17.49
Constellation
Draco
Tycho2
3891-00410-1
last precise pa
15.9
last precise sep
17.464
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17170+5612 SLE 81 2006 5 16 17.5 10.35 11.79 DV 171701.98+561218.7
17170+5612 SLE 81 2010 7 16 17.2 10.35 11.79 V 171701.98+561218.7

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