18316+4504 COU1929

 
 
18h 31m 35.88s +45 04' 41.7" P.A. 166 sep 1.9 mag 10.97,13.50
 
 
Coord 2000
18316+4504
Discov num
COU1929
Comp
Coord arcsec 2000
18 31 35.88 +45 04 41.7
Date first
1981
Date last
2009
Obs
2
Pa first
163
Pa last
166
P.A. Now (θ)
166°
Sep first
1.6
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
10.97
Mag sec
13.50
delta mag (ΔM)
2.53
Spectral class
Pri motion ra
-005
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
166.1
Precise sep
1.868
Constellation
Lyra
Tycho2
3526-00006-1
last precise pa
166.1
last precise sep
1.868
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18316+4504 COU1929 1981 1 163 1.6 10.97 13.50 183135.88+450441.7
18316+4504 COU1929 2009 2 166 1.9 10.97 13.50 183135.88+450441.7

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