17291+1727 DAL  14AB

 
 
17h 29m 06.20s +17 27' 18.3" P.A. 88 sep 2.4 mag 8.75,9.11 Sp A0
 
 
Coord 2000
17291+1727
Discov num
DAL  14
Comp
AB
Coord arcsec 2000
17 29 06.20 +17 27 18.3
Date first
1999
Date last
1999
Obs
1
Pa first
88
Pa last
88
P.A. Now (θ)
88°
Sep first
2.4
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
8.75
Mag sec
9.11
delta mag (ΔM)
0.36
Spectral class
A0 (white)
Pri motion ra
-011
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
X (Dubious double)
Nature of this double is uncertain.
 
 
17291+1727 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 102851 17291+1727 DAL 14 AB 1999 1999 1 88 2.4 8.75 9.11 0.36 <===
Show 102851 17291+1727 DAL 14 AC 1899 2016 7 185 18.4 8.75 11.71 2.96
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
87.9
Precise sep
2.41
Constellation
Hercules
SAO
102851
Tycho2
1542-02249-1
HD
158522
last precise pa
87.9
last precise sep
2.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17291+1727 DAL 14 AB 1999 1 88 2.4 8.75 9.11 N 172906.20+172718.3

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