16316+3148 COU 620

 
 
16h 31m 38.49s +31 47' 56.5" P.A. 161 sep 2.6 mag 10.70,11.70 Sp F5
 
 
Coord 2000
16316+3148
Discov num
COU 620
Comp
Coord arcsec 2000
16 31 38.49 +31 47 56.5
Date first
1971
Date last
2009
Obs
3
Pa first
158
Pa last
161
P.A. Now (θ)
161°
Sep first
2.0
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
10.70
Mag sec
11.70
delta mag (ΔM)
1
Spectral class
F5 (yellow-white)
Pri motion ra
-007
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
160.6
Precise sep
2.587
Constellation
Hercules
Tycho2
2581-01417-1
last precise pa
160.6
last precise sep
2.587
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16316+3148 COU 620 2002 2 158 2.5 10.70 11.70 F5 163138.49+314756.5
16316+3148 COU 620 2009 3 161 2.6 10.70 11.70 F5 163138.49+314756.5

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