17090+3010 DAM 900AC

 
 
17H 08M 57.45S +30 09' 51.3" P.A. 255 SEP 20.2 MAG 10.10,13.60
 
 
Coord 2000
17090+3010
Discov num
DAM 900
Comp
AC
Coord arcsec 2000
17 08 57.45 +30 09 51.3
Date first
1998
Date last
2010
Obs
5
Pa first
255
Pa last
255
P.A. Now (θ)
255°
Sep first
20.6
Sep last
20.2
Sep. Now (ρ)
20.2"
Mag pri
10.10
Mag sec
13.60
delta mag (ΔM)
3.5
Spectral class
Pri motion ra
-004
Sec motion ra
-006
Pri motion dec
-003
Sec motion dec
-005
Notes
rPM=0.362
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
255.1
last precise sep
20.19