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
Constellation
Lyra
Tycho2
3544-01392-1
Gaia DR2
2107586803435870080
 
 
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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