18462+4118 ES 1656

 
 
18h 46m 12.11s +41 18' 19.3" P.A. 250 sep 5.4 mag 11.73,16.30
 
 
Coord 2000
18462+4118
Discov num
ES 1656
Comp
Coord arcsec 2000
18 46 12.11 +41 18 19.3
Date first
1917
Date last
2003
Obs
3
Pa first
249
Pa last
250
P.A. Now (θ)
250°
Sep first
4.9
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
11.73
Mag sec
16.30
delta mag (ΔM)
4.57
Spectral class
Pri motion ra
-007
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
250.3
Precise sep
5.36
Constellation
Lyra
Tycho2
3126-00128-1
last precise pa
250.3
last precise sep
5.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18462+4118 ES 1656 2000 2 252 5.2 11.73 16.30 D 184612.11+411819.3
18462+4118 ES 1656 2003 3 250 5.4 11.73 16.30 D 184612.11+411819.3

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