18242+2818 A   244

 
 
18h 24m 09.99s +28 18' 21.4" P.A. 268 sep 0.6 mag 10.47,10.48 Sp G0
 
 
Coord 2000
18242+2818
Discov num
A   244
Comp
Coord arcsec 2000
18 24 09.99 +28 18 21.4
Date first
1901
Date last
2016
Obs
18
Pa first
270
Pa last
268
P.A. Now (θ)
268°
Sep first
0.4
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
10.47
Mag sec
10.48
delta mag (ΔM)
0.01
Spectral class
G0 (yellow)
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
+022
Sec motion dec
+022
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
267.6
Precise sep
0.64
Constellation
Hercules
Tycho2
2105-00260-1
last precise pa
267.6
last precise sep
0.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18242+2818 A 244 1996 15 279 0.5 10.47 10.48 G0 182409.99+281821.4
18242+2818 A 244 2010 16 271 0.6 10.47 10.48 G0 182409.99+281821.4
18242+2818 A 244 2016 18 268 0.6 10.47 10.48 G0 182409.99+281821.4

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