17284+4822 ES 1091

 
 
17h 28m 24.17s +48 21' 52.7" P.A. 307 sep 6.1 mag 10.63,13.20
 
 
Coord 2000
17284+4822
Discov num
ES 1091
Comp
Coord arcsec 2000
17 28 24.17 +48 21 52.7
Date first
1911
Date last
2013
Obs
5
Pa first
307
Pa last
307
P.A. Now (θ)
307°
Sep first
5.8
Sep last
6.1
Sep. Now (ρ)
6.1"
Mag pri
10.63
Mag sec
13.20
delta mag (ΔM)
2.57
Spectral class
Pri motion ra
-014
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306.5
Precise sep
6.141
Constellation
Hercules
Tycho2
3513-00561-1
last precise pa
306.5
last precise sep
6.141
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17284+4822 ES 1091 1998 2 307 6.0 10.63 13.20 D 172824.17+482152.7
17284+4822 ES 1091 2003 3 307 6.1 10.63 13.20 D 172824.17+482152.7
17284+4822 ES 1091 2013 5 307 6.1 10.63 13.20 172824.17+482152.7

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