18564+2944 COU1014

 
 
18h 56m 21.73s +29 44' 27.3" P.A. 46 sep 0.3 mag 9.40,9.40 Sp A5
 
 
Coord 2000
18564+2944
Discov num
COU1014
Comp
Coord arcsec 2000
18 56 21.73 +29 44 27.3
Date first
1973
Date last
2007
Obs
7
Pa first
27
Pa last
46
P.A. Now (θ)
46°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
9.40
Mag sec
9.40
delta mag (ΔM)
0
Spectral class
A5 (white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
45.8
Precise sep
0.264
Constellation
Lyra
SAO
86600
Tycho2
2121-00462-1
last precise pa
45.8
last precise sep
0.264
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18564+2944 COU1014 1996 6 32 0.2 9.40 9.40 A5 185621.73+294427.3
18564+2944 COU1014 2007 7 46 0.3 9.40 9.40 A5 185621.73+294427.3

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