17087+3407 DAM 857AC

 
 
17h 08m 42.78s +34 07' 25.2" P.A. 26 sep 8.2 mag 9.79,14.40 Sp K2
 
 
Coord 2000
17087+3407
Discov num
DAM 857
Comp
AC
Coord arcsec 2000
17 08 42.78 +34 07 25.2
Date first
1998
Date last
2015
Obs
3
Pa first
25
Pa last
26
P.A. Now (θ)
26°
Sep first
8.0
Sep last
8.2
Sep. Now (ρ)
8.2"
Mag pri
9.79
Mag sec
14.40
delta mag (ΔM)
4.61
Spectral class
K2 (yellow-orange)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17087+3407 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17087+3407 KU 115 AB 1901 2015 14 59 35.8 9.79 10.31 0.52
Show 17087+3407 DAM 857 AC 1998 2015 3 26 8.2 9.79 14.40 4.61 <===
Show 17087+3407 DAM 857 BD 2001 2001 1 148 2.9 9.79 16.60 6.81
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
26
Precise sep
8.155
Constellation
Hercules
Tycho2
2599-00910-1
Gaia DR2
58255937024
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17087+3407 DAM 857 AC 2000 1 26 8.1 9.79 14.40 170842.78+340725.2
17087+3407 DAM 857 AC 2002 2 26 8.1 9.79 14.40 170842.78+340725.2
17087+3407 DAM 857 AC 2015 4 26 8.2 9.79 14.40 K2 170842.78+340725.2

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