17231+2545 HO  415

 
 
17H 23M 07.69S +25 45' 11.1" P.A. 345 SEP 0.9 MAG 8.83,9.67 SP F5
 
 
Coord 2000
17231+2545
Discov num
HO  415
Comp
Coord arcsec 2000
17 23 07.69 +25 45 11.1
Date first
1891
Date last
2015
Obs
49
Pa first
334
Pa last
345
P.A. Now (θ)
345°
Sep first
0.8
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
8.83
Mag sec
9.67
delta mag (ΔM)
0.84
Spectral class
F5 (yellow-white)
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
+016
Sec motion dec
+016
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
2078-00223-1
HD
157581
last precise pa
344.6
last precise sep
0.85