17393+2617 COU 628

 
 
17h 39m 19.62s +26 17' 16.2" P.A. 311 sep 0.7 mag 11.23,11.89 Sp G0
 
 
Coord 2000
17393+2617
Discov num
COU 628
Comp
Coord arcsec 2000
17 39 19.62 +26 17 16.2
Date first
1971
Date last
1994
Obs
3
Pa first
309
Pa last
311
P.A. Now (θ)
311°
Sep first
0.9
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
11.23
Mag sec
11.89
delta mag (ΔM)
0.66
Spectral class
G0 (yellow)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
+007
Sec motion dec
+007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
311.1
Precise sep
0.68
Constellation
Hercules
Tycho2
2084-01949-1
last precise pa
311.1
last precise sep
0.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17393+2617 COU 628 1994 3 311 0.7 11.23 11.89 G0 173919.62+261716.2

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