18560+3941 ALI1105

 
 
18h 56m 01.51s +39 40' 19.0" P.A. 345 sep 12.6 mag 11.57,11.94
 
 
Coord 2000
18560+3941
Discov num
ALI1105
Comp
Coord arcsec 2000
18 56 01.51 +39 40 19.0
Date first
1894
Date last
2010
Obs
8
Pa first
348
Pa last
345
P.A. Now (θ)
345°
Sep first
13.7
Sep last
12.6
Sep. Now (ρ)
12.6"
Mag pri
11.57
Mag sec
11.94
delta mag (ΔM)
0.37
Spectral class
Pri motion ra
-003
Sec motion ra
-009
Pri motion dec
-015
Sec motion dec
-026
Notes
rPM=0.455
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
344.8
Precise sep
12.62
Cdsa2 id
ALI 1105
Constellation
Lyra
Tycho2
3123-01773-1
Ra deg
18.933752777777777
De deg
39.67194444444444
last precise pa
344.8
last precise sep
12.62
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18560+3941 ALI1105 1998 4 346 12.6 11.57 11.94 D 185601.51+394019.0
18560+3941 ALI1105 2008 5 345 12.7 11.57 11.94 D 185601.51+394019.0
18560+3941 ALI1105 2010 8 345 12.3 11.57 11.94 185601.51+394019.0

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