18090+2335 HU  315

 
 
18h 09m 00.20s +23 35' 13.8" P.A. 59 sep 0.2 mag 9.90,9.90 Sp F5
 
 
Coord 2000
18090+2335
Discov num
HU  315
Comp
Coord arcsec 2000
18 09 00.20 +23 35 13.8
Date first
1901
Date last
1991
Obs
18
Pa first
47
Pa last
59
P.A. Now (θ)
59°
Sep first
0.4
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.90
Mag sec
9.90
delta mag (ΔM)
0
Spectral class
F5 (yellow-white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
59.2
Precise sep
0.15
Constellation
Hercules
SAO
85777
Tycho2
2092-00481-1
HD
166302
last precise pa
59.2
last precise sep
0.15
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18090+2335 HU 315 1991 18 59 0.2 9.90 9.90 F5 180900.20+233513.8

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