18582+3011 COU1018Aa,Ab

 
 
18h 58m 13.92s +30 10' 52.3" P.A. 210 sep 3.7 mag 9.42,14.20 Sp G0
 
 
Coord 2000
18582+3011
Discov num
COU1018
Comp
Aa,Ab
Coord arcsec 2000
18 58 13.92 +30 10 52.3
Date first
1973
Date last
2011
Obs
2
Pa first
212
Pa last
210
P.A. Now (θ)
210°
Sep first
2.9
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
9.42
Mag sec
14.20
delta mag (ΔM)
4.78
Spectral class
G0 (yellow)
Pri motion ra
+008
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18582+3011 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18582+3011 COU1018 Aa,Ab 1973 2011 2 210 3.7 9.42 14.20 4.78 <===
Show 18582+3011 ES 2670 AB 1906 2014 6 71 11.5 9.42 12.40 2.98
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
210.4
Precise sep
3.72
Constellation
Lyra
Tycho2
2639-00294-1
last precise pa
210.4
last precise sep
3.72
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18582+3011 COU1018 Aa,Ab 1973 1 212 2.9 9.42 14.20 G0 185813.92+301052.3
18582+3011 COU1018 Aa,Ab 2011 2 210 3.6 9.42 14.20 G0 185813.92+301052.3

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