18569+5723 ES 1747

 
 
18h 56m 57.58s +57 23' 11.1" P.A. 347 sep 1.9 mag 10.26,10.58
 
 
Coord 2000
18569+5723
Discov num
ES 1747
Comp
Coord arcsec 2000
18 56 57.58 +57 23 11.1
Date first
1918
Date last
2002
Obs
8
Pa first
344
Pa last
347
P.A. Now (θ)
347°
Sep first
1.6
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
10.26
Mag sec
10.58
delta mag (ΔM)
0.32
Spectral class
Pri motion ra
-037
Sec motion ra
-037
Pri motion dec
-019
Sec motion dec
-019
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
347.3
Precise sep
1.89
Constellation
Draco
Tycho2
3927-00687-1
last precise pa
347.3
last precise sep
1.89
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18569+5723 ES 1747 2002 8 347 1.9 10.26 10.58 185657.58+572311.1

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