17563+5731 ES 1744

 
 
17h 56m 19.37s +57 32' 13.9" P.A. 266 sep 7.4 mag 10.65,10.80
 
 
Coord 2000
17563+5731
Discov num
ES 1744
Comp
Coord arcsec 2000
17 56 19.37 +57 32 13.9
Date first
1903
Date last
2010
Obs
9
Pa first
272
Pa last
266
P.A. Now (θ)
266°
Sep first
8.0
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
10.65
Mag sec
10.80
delta mag (ΔM)
0.15
Spectral class
Pri motion ra
-025
Sec motion ra
-042
Pri motion dec
+033
Sec motion dec
+037
Notes
rPM=0.312
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
266.2
Precise sep
7.36
Constellation
Draco
Tycho2
3910-01662-1
last precise pa
266.2
last precise sep
7.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17563+5731 ES 1744 1999 7 266 7.3 10.65 10.80 D 175619.37+573213.9
17563+5731 ES 1744 2010 8 266 7.4 10.65 10.80 D 175619.37+573213.9

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