16583+3107 COU 989

 
 
16h 58m 16.32s +31 07' 09.1" P.A. 191 sep 0.3 mag 9.70,10.00 Sp G0
 
 
Coord 2000
16583+3107
Discov num
COU 989
Comp
Coord arcsec 2000
16 58 16.32 +31 07 09.1
Date first
1973
Date last
2008
Obs
10
Pa first
166
Pa last
191
P.A. Now (θ)
191°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
9.70
Mag sec
10.00
delta mag (ΔM)
0.3
Spectral class
G0 (yellow)
Pri motion ra
-041
Sec motion ra
Pri motion dec
+129
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
191.1
Precise sep
0.303
Constellation
Hercules
SAO
65683
Tycho2
2590-00788-1
last precise pa
191.1
last precise sep
0.303
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16583+3107 COU 989 1996 8 190 0.3 9.70 10.00 G0 165816.32+310709.1
16583+3107 COU 989 2007 9 196 0.3 9.70 10.00 G0 165816.32+310709.1
16583+3107 COU 989 2008 10 191 0.3 9.70 10.00 G0 165816.32+310709.1

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