18319+4119 COU1605

 
 
18h 31m 52.90s +41 19' 24.7" P.A. 307 sep 1 mag 10.93,11.72
 
 
Coord 2000
18319+4119
Discov num
COU1605
Comp
Coord arcsec 2000
18 31 52.90 +41 19 24.7
Date first
1977
Date last
2010
Obs
4
Pa first
303
Pa last
307
P.A. Now (θ)
307°
Sep first
1.2
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
10.93
Mag sec
11.72
delta mag (ΔM)
0.79
Spectral class
Pri motion ra
-005
Sec motion ra
-005
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
307.1
Precise sep
0.994
Constellation
Lyra
Tycho2
3113-01716-1
last precise pa
307.1
last precise sep
0.994
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18319+4119 COU1605 1991 2 316 1.2 10.93 11.72 183152.90+411924.7
18319+4119 COU1605 2010 3 307 1.0 10.93 11.72 183152.90+411924.7

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