17518+2814 STF2239

 
 
17H 51M 45.34S +28 14' 16.3" P.A. 317 SEP 2.4 MAG 9.55,10.00 SP F8 DIST. 178.25 PC (581.45 L.Y.)
 
 
Coord 2000
17518+2814
Discov num
STF2239
Comp
Coord arcsec 2000
17 51 45.34 +28 14 16.3
Date first
1830
Date last
2013
Obs
24
Pa first
318
Pa last
317
P.A. Now (θ)
317°
Sep first
2.2
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
9.55
Mag sec
10.00
delta mag (ΔM)
0.45
Spectral class
F8 (yellow-white)
Pri motion ra
+020
Sec motion ra
+020
Pri motion dec
-021
Sec motion dec
-021
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
85483
HIP
87407
Tycho2
2102-00434-1
BD
BD+28 2852
Distance
178.25
Distance ly
581.45
last precise pa
317
last precise sep
2.444