18338+2816 MLB 568

 
 
18h 33m 49.36s +28 16' 25.2" P.A. 207 sep 4 mag 11.50,11.97
 
 
Coord 2000
18338+2816
Discov num
MLB 568
Comp
Coord arcsec 2000
18 33 49.36 +28 16 25.2
Date first
1928
Date last
2013
Obs
6
Pa first
204
Pa last
207
P.A. Now (θ)
207°
Sep first
4.2
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
11.50
Mag sec
11.97
delta mag (ΔM)
0.47
Spectral class
Pri motion ra
+010
Sec motion ra
-008
Pri motion dec
+018
Sec motion dec
-011
Notes
rPM=1.658
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
206.9
Precise sep
3.95
Constellation
Lyra
Tycho2
2119-01979-1
last precise pa
206.9
last precise sep
3.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18338+2816 MLB 568 2000 4 207 3.8 11.50 11.97 D 183349.36+281625.2
18338+2816 MLB 568 2002 5 207 3.8 11.50 11.97 D 183349.36+281625.2
18338+2816 MLB 568 2013 6 207 4.0 11.50 11.97 183349.36+281625.2

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