16564+3755 COU1287

 
 
16h 56m 21.45s +37 55' 03.2" P.A. 163 sep 0.7 mag 8.90,10.50 Sp K0
 
 
Coord 2000
16564+3755
Discov num
COU1287
Comp
Coord arcsec 2000
16 56 21.45 +37 55 03.2
Date first
1975
Date last
2010
Obs
5
Pa first
149
Pa last
163
P.A. Now (θ)
163°
Sep first
0.6
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
8.90
Mag sec
10.50
delta mag (ΔM)
1.6
Spectral class
K0 (yellow-orange)
Pri motion ra
-028
Sec motion ra
Pri motion dec
+012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
162.5
Precise sep
0.7
Constellation
Hercules
SAO
65664
Tycho2
3071-00884-1
last precise pa
162.5
last precise sep
0.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16564+3755 COU1287 1993 3 142 0.5 8.90 10.50 K0 165621.45+375503.2
16564+3755 COU1287 2007 4 165 0.7 8.90 10.50 K0 165621.45+375503.2
16564+3755 COU1287 2010 5 163 0.7 8.90 10.50 K0 165621.45+375503.2

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