17185+5608 ES 1740

 
 
17h 18m 31.37s +56 08' 01.3" P.A. 315 sep 1.6 mag 11.65,14.10
 
 
Coord 2000
17185+5608
Discov num
ES 1740
Comp
Coord arcsec 2000
17 18 31.37 +56 08 01.3
Date first
1918
Date last
1983
Obs
2
Pa first
315
Pa last
315
P.A. Now (θ)
315°
Sep first
1.6
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
11.65
Mag sec
14.10
delta mag (ΔM)
2.45
Spectral class
Pri motion ra
+025
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
315
Precise sep
1.6
Constellation
Draco
Tycho2
3891-00320-1
last precise pa
315
last precise sep
1.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17185+5608 ES 1740 1983 2 315 1.6 11.65 14.10 171831.37+560801.3

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