17276+2618 COU 497

 
 
17h 27m 33.78s +26 17' 40.3" P.A. 73 sep 1 mag 9.53,11.01 Sp G5
 
 
Coord 2000
17276+2618
Discov num
COU 497
Comp
Coord arcsec 2000
17 27 33.78 +26 17 40.3
Date first
1970
Date last
2014
Obs
8
Pa first
79
Pa last
73
P.A. Now (θ)
73°
Sep first
0.9
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
9.53
Mag sec
11.01
delta mag (ΔM)
1.48
Spectral class
G5 (yellow)
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
+019
Sec motion dec
+019
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
73.3
Precise sep
0.97
Constellation
Hercules
SAO
85109
Tycho2
2083-02230-1
last precise pa
73.3
last precise sep
0.97
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17276+2618 COU 497 1991 4 75 1.0 9.53 11.01 G5 172733.78+261740.3
17276+2618 COU 497 2009 5 79 1.1 9.53 11.01 G5 172733.78+261740.3
17276+2618 COU 497 2014 8 73 1.0 9.53 11.01 G5 172733.78+261740.3

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