17452+2107 COU 630

 
 
17h 45m 14.94s +21 07' 30.0" P.A. 115 sep 0.2 mag 11.40,11.40 Sp F5
 
 
Coord 2000
17452+2107
Discov num
COU 630
Comp
Coord arcsec 2000
17 45 14.94 +21 07 30.0
Date first
1971
Date last
2010
Obs
5
Pa first
120
Pa last
115
P.A. Now (θ)
115°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
11.40
Mag sec
11.40
delta mag (ΔM)
0
Spectral class
F5 (yellow-white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
115.2
Precise sep
0.22
Constellation
Hercules
Tycho2
1564-03710-1
last precise pa
115.2
last precise sep
0.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17452+2107 COU 630 1984 3 118 0.2 11.40 11.40 F5 174514.94+210730.0
17452+2107 COU 630 2007 4 121 0.2 11.40 11.40 F5 174514.94+210730.0
17452+2107 COU 630 2010 5 115 0.2 11.40 11.40 F5 174514.94+210730.0

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