18555+4713 COU2121

 
 
18h 55m 27.90s +47 13' 41.7" P.A. 336 sep 1.3 mag 10.97,14.80
 
 
Coord 2000
18555+4713
Discov num
COU2121
Comp
Coord arcsec 2000
18 55 27.90 +47 13 41.7
Date first
1982
Date last
2014
Obs
2
Pa first
327
Pa last
336
P.A. Now (θ)
336°
Sep first
1.2
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
10.97
Mag sec
14.80
delta mag (ΔM)
3.83
Spectral class
Pri motion ra
+003
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
336
Precise sep
1.32
Cdsa2 id
COU 2121
Constellation
Lyra
Ra deg
18.92441666666667
De deg
47.22825
last precise pa
336
last precise sep
1.32
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18555+4713 COU2121 1982 1 327 1.2 10.97 14.80 185527.90+471341.7
18555+4713 COU2121 2014 2 336 1.3 10.97 14.80 185527.90+471341.7

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