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
2003
Obs
3
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
289.3
Precise sep
2.69
Constellation
Hercules
last precise pa
289.3
last precise sep
2.69




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

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