17090+4306 DAM 901AC

 
 
17h 08m 59.88s +43 06' 22.4" P.A. 237 sep 7.7 mag 10.70,14.90
 
 
Coord 2000
17090+4306
Discov num
DAM 901
Comp
AC
Coord arcsec 2000
17 08 59.88 +43 06 22.4
Date first
1999
Date last
2015
Obs
3
Pa first
241
Pa last
237
P.A. Now (θ)
237°
Sep first
7.2
Sep last
7.7
Sep. Now (ρ)
7.7"
Mag pri
10.70
Mag sec
14.90
delta mag (ΔM)
4.2
Spectral class
Pri motion ra
+003
Sec motion ra
Pri motion dec
+033
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17090+4306 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17090+4306 DAM 901 AB 1999 2015 4 282 5.5 10.70 13.70 3.00
Show 17090+4306 DAM 901 AC 1999 2015 3 237 7.7 10.70 14.90 4.20 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
237
Precise sep
7.725
Constellation
Hercules
Tycho2
3080-00217-1
Gaia DR2
74595577472
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17090+4306 DAM 901 AC 2004 2 241 7.8 10.70 14.90 170859.88+430622.4
17090+4306 DAM 901 AC 2015 3 237 7.7 10.70 14.90 170859.88+430622.4

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