17117+1353 DAM 977BC

 
 
17H 11M 39.82S +13 53' 08.7" P.A. 45 SEP 2.5 MAG 12.70,15.70
 
 
Coord 2000
17117+1353
Discov num
DAM 977
Comp
BC
Coord arcsec 2000
17 11 39.82 +13 53 08.7
Date first
2003
Date last
2003
Obs
1
Pa first
45
Pa last
45
P.A. Now (θ)
45°
Sep first
2.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
12.70
Mag sec
15.70
delta mag (ΔM)
3
Spectral class
Pri motion ra
-009
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17117+1353 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17117+1353 DAM 977 AB 1999 2010 5 282 8.5 11.40 12.70 1.30
Show 17117+1353 DAM 977 BC 2003 2003 1 45 2.5 12.70 15.70 3.00 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
0989-01518-1
last precise pa
44.7
last precise sep
2.51