17128+3647 COU 992

 
 
17h 12m 43.22s +36 45' 36.4" P.A. 289 sep 2.7 mag 12.12,12.60
 
 
Coord 2000
17128+3647
Discov num
COU 992
Comp
Coord arcsec 2000
17 12 43.22 +36 45 36.4
Date first
1973
Date last
2015
Obs
4
Pa first
290
Pa last
289
P.A. Now (θ)
289°
Sep first
2.3
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
12.12
Mag sec
12.60
delta mag (ΔM)
0.48
Spectral class
Pri motion ra
+012
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
288.7
Precise sep
2.655
Constellation
Hercules
Gaia DR2
08014810368
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17128+3647 COU 992 1973 1 290 2.3 12.12 12.60 171243.22+364536.4
17128+3647 COU 992 2003 3 289 2.7 12.12 12.60 171243.22+364536.4
17128+3647 COU 992 2015 4 289 2.7 12.12 12.60 171243.22+364536.4

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