18379+4014 ES 1655

 
 
18h 37m 47.89s +40 14' 22.0" P.A. 28 sep 2 mag 10.78,11.54
 
 
Coord 2000
18379+4014
Discov num
ES 1655
Comp
Coord arcsec 2000
18 37 47.89 +40 14 22.0
Date first
1908
Date last
2010
Obs
8
Pa first
23
Pa last
28
P.A. Now (θ)
28°
Sep first
1.9
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
10.78
Mag sec
11.54
delta mag (ΔM)
0.76
Spectral class
Pri motion ra
+009
Sec motion ra
+009
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
27.6
Precise sep
1.952
Constellation
Lyra
Tycho2
3109-01367-1
last precise pa
27.6
last precise sep
1.952
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18379+4014 ES 1655 1991 4 27 2.0 10.78 11.54 183747.89+401422.0
18379+4014 ES 1655 2008 6 26 1.8 10.78 11.54 183747.89+401422.0
18379+4014 ES 1655 2010 7 28 2.0 10.78 11.54 183747.89+401422.0

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