18556+1154 J  3273

 
 
18h 55m 30.84s +11 53' 51.2" P.A. 97 sep 3.4 mag 11.89,13.60
 
 
Coord 2000
18556+1154
Discov num
J  3273
Comp
Coord arcsec 2000
18 55 30.84 +11 53 51.2
Date first
1953
Date last
2001
Obs
3
Pa first
94
Pa last
97
P.A. Now (θ)
97°
Sep first
3.2
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
11.89
Mag sec
13.60
delta mag (ΔM)
1.71
Spectral class
Pri motion ra
-015
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
96.7
Precise sep
3.391
Constellation
Aquila
Tycho2
1047-00685-1
last precise pa
96.7
last precise sep
3.391
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18556+1154 J 3273 1988 2 97 3.1 11.89 13.60 185530.84+115351.2
18556+1154 J 3273 2001 3 97 3.4 11.89 13.60 185530.84+115351.2

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