17003+3056 ISO   3 (Eps Her)

 
 
17h 00m 17.41s +30 55' 34.8" P.A. 90 sep 1 mag 3.92, Sp A0V dist. 47.53 pc (155.04 l.y.)
 
 
Coord 2000
17003+3056
Discov num
ISO   3
Comp
Coord arcsec 2000
17 00 17.41 +30 55 34.8
Date first
1987
Date last
1989
Obs
2
Pa first
139
Pa last
90
P.A. Now (θ)
90°
Sep first
0.2
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
3.92
Mag sec
delta mag (ΔM)
Spectral class
A0V (white)
Pri motion ra
-047
Sec motion ra
Pri motion dec
+028
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
90
Precise sep
0.97
Name
Eps Her
Constellation
Hercules
SAO
65716
HIP
83207
Tycho2
2590-01412-1
HD
153808
HR
6324
GC
22935
BD
BD+31 2947
Bayer
Epsilon Herculis
Bayer name
Eps Her
Flamsteed
58 Herculis
Flamsteed name
58 Her
Distance
47.53
Distance ly
155.04
last precise pa
90
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
17003+3056 ISO 3 1989 2 90 1.0 3.92   A0V N 170017.41+305534.8

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