17585+3011 HDS2534 (Nu Her)

 
 
17h 58m 30.15s +30 11' 21.4" P.A. 355 sep 0.5 mag 4.56,7.49 Sp F2II dist. 263.85 pc (860.68 l.y.)
 
 
Coord 2000
17585+3011
Discov num
HDS2534
Comp
Coord arcsec 2000
17 58 30.15 +30 11 21.4
Date first
1991
Date last
1996
Obs
2
Pa first
359
Pa last
355
P.A. Now (θ)
355°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
4.56
Mag sec
7.49
delta mag (ΔM)
2.93
Spectral class
F2II (yellow-white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.1
Precise sep
0.455
Name
Nu Her
Constellation
Hercules
SAO
66524
HIP
87998
Tycho2
2608-02411-1
HD
164136
HR
6707
GC
24478
BD
BD+30 3093
Bayer
Nu Herculis
Bayer name
Nu Her
Flamsteed
94 Herculis
Flamsteed name
94 Her
Distance
263.85
Distance ly
860.68
last precise pa
355.1
last precise sep
0.455
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17585+3011 HDS2534 1996 2 355 0.5 4.56 7.49 F2II D 175830.15+301121.4

If you need more information about this double, apply for a data request form to the WDS.