18579+3020 COU1017

 
 
18h 57m 52.83s +30 19' 44.5" P.A. 183 sep 1.8 mag 10.80,12.40
 
 
Coord 2000
18579+3020
Discov num
COU1017
Comp
Coord arcsec 2000
18 57 52.83 +30 19 44.5
Date first
1973
Date last
2005
Obs
2
Pa first
187
Pa last
183
P.A. Now (θ)
183°
Sep first
1.9
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
10.80
Mag sec
12.40
delta mag (ΔM)
1.6
Spectral class
Pri motion ra
-004
Sec motion ra
Pri motion dec
-023
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
183.1
Precise sep
1.84
Constellation
Lyra
SAO
67641
Tycho2
2639-01555-1
Gaia DR2
37653583616
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18579+3020 COU1017 2005 2 183 1.8 10.80 12.40 185752.83+301944.5

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