18209+3220 ES  347

 
 
18h 20m 55.38s +32 20' 45.9" P.A. 65 sep 1.8 mag 10.55,10.80
 
 
Coord 2000
18209+3220
Discov num
ES  347
Comp
Coord arcsec 2000
18 20 55.38 +32 20 45.9
Date first
1906
Date last
2013
Obs
15
Pa first
67
Pa last
65
P.A. Now (θ)
65°
Sep first
1.8
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
10.55
Mag sec
10.80
delta mag (ΔM)
0.25
Spectral class
Pri motion ra
+007
Sec motion ra
+007
Pri motion dec
+042
Sec motion dec
+042
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
65
Precise sep
1.78
Constellation
Lyra
Tycho2
2627-00168-2
last precise pa
65
last precise sep
1.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18209+3220 ES 347 2000 14 65 1.8 10.55 10.80 182055.38+322045.9
18209+3220 ES 347 2013 15 65 1.8 10.55 10.80 182055.38+322045.9

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