18218+3038 L    21

 
 
18h 21m 51.75s +20 34' 41.6" P.A. 91 sep 7 mag 10.00,11.00
 
 
Coord 2000
18218+3038
Discov num
L    21
Comp
Coord arcsec 2000
18 21 51.75 +20 34 41.6
Date first
1900
Date last
2015
Obs
7
Pa first
111
Pa last
91
P.A. Now (θ)
91°
Sep first
6.5
Sep last
7.0
Sep. Now (ρ)
7"
Mag pri
10.00
Mag sec
11.00
delta mag (ΔM)
1
Spectral class
Pri motion ra
-021
Sec motion ra
+001
Pri motion dec
-008
Sec motion dec
+022
Notes
N (See Notes)
rPM=1.655
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
91.1
Precise sep
7.03
Constellation
Hercules
last precise pa
91.1
last precise sep
7.03
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18218+3038 L 21 1911 3 105 6.3 10.00 11.00 182107.50+303800.0
18218+3038 L 21 2000 4 93 7.0 10.00 11.00 182151.75+203441.6
18218+3038 L 21 2001 5 93 7.0 10.00 11.00 182151.75+203441.6
18218+3038 L 21 2010 6 92 6.7 10.00 11.00 N 182151.75+203441.6
18218+3038 L 21 2015 7 91 7.0 10.00 11.00 N 182151.75+203441.6

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