18215+2603 A   243

 
 
18h 21m 30.79s +26 03' 19.7" P.A. 69 sep 2.1 mag 9.98,11.59 Sp G5
 
 
Coord 2000
18215+2603
Discov num
A   243
Comp
Coord arcsec 2000
18 21 30.79 +26 03 19.7
Date first
1901
Date last
2002
Obs
12
Pa first
67
Pa last
69
P.A. Now (θ)
69°
Sep first
1.5
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
9.98
Mag sec
11.59
delta mag (ΔM)
1.61
Spectral class
G5 (yellow)
Pri motion ra
-013
Sec motion ra
-013
Pri motion dec
+018
Sec motion dec
+018
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
68.8
Precise sep
2.14
Constellation
Hercules
SAO
85965
Tycho2
2097-00551-1
HD
336024
last precise pa
68.8
last precise sep
2.14
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18215+2603 A 243 2002 12 69 2.1 9.98 11.59 G5 182130.79+260319.7

If you need more information about this double, apply for a data request form to the WDS.