17254+2513 COU 416

 
 
17h 25m 21.04s +25 13' 01.2" P.A. 150 sep 2.3 mag 10.16,11.16 Sp G5
 
 
Coord 2000
17254+2513
Discov num
COU 416
Comp
Coord arcsec 2000
17 25 21.04 +25 13 01.2
Date first
1969
Date last
2009
Obs
5
Pa first
150
Pa last
150
P.A. Now (θ)
150°
Sep first
1.9
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
10.16
Mag sec
11.16
delta mag (ΔM)
1
Spectral class
G5 (yellow)
Pri motion ra
-036
Sec motion ra
Pri motion dec
+013
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
149.7
Precise sep
2.313
Constellation
Hercules
SAO
85070
Tycho2
2078-01486-1
last precise pa
149.7
last precise sep
2.313
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17254+2513 COU 416 1998 4 151 2.2 10.16 11.16 G5 172521.04+251301.2
17254+2513 COU 416 2009 5 150 2.3 10.16 11.16 G5 172521.04+251301.2

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