18097+2107 COU 117

 
 
18h 09m 37.65s +21 06' 59.7" P.A. 56 sep 2.5 mag 12.14,12.10
 
 
Coord 2000
18097+2107
Discov num
COU 117
Comp
Coord arcsec 2000
18 09 37.65 +21 06 59.7
Date first
1966
Date last
1997
Obs
2
Pa first
51
Pa last
56
P.A. Now (θ)
56°
Sep first
2.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
12.14
Mag sec
12.10
delta mag (ΔM)
0.04
Spectral class
Pri motion ra
-004
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
56.1
Precise sep
2.47
Constellation
Hercules
Tycho2
1579-00491-1
last precise pa
56.1
last precise sep
2.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18097+2107 COU 117 1997 2 56 2.5 12.14 12.10 180937.65+210659.7

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