17090+3010 DAM 900CD

 
 
17H 08M 55.91S +30 09' 45.9" P.A. 150 SEP 1 MAG 13.60,16.30
 
 
Coord 2000
17090+3010
Discov num
DAM 900
Comp
CD
Coord arcsec 2000
17 08 55.91 +30 09 45.9
Date first
2001
Date last
2001
Obs
1
Pa first
150
Pa last
150
P.A. Now (θ)
150°
Sep first
1.0
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
13.60
Mag sec
16.30
delta mag (ΔM)
2.7
Spectral class
Pri motion ra
-006
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17090+3010 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17090+3010 DAM 900 AB 2001 2001 1 270 5.8 10.10 15.40 5.30
Show 17090+3010 DAM 900 AC 1998 2010 5 255 20.2 10.10 13.60 3.50
Show 17090+3010 DAM 900 CD 2001 2001 1 150 1.0 13.60 16.30 2.70 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
2591-01660-1
last precise pa
150.2
last precise sep
1.02