17177+3717 HDS2446 (69 Her)

 
 
17h 17m 40.25s +37 17' 29.4" P.A. 143 sep 0.9 mag 4.62,8.53 Sp A2V dist. 53.79 pc (175.46 l.y.)
 
 
Coord 2000
17177+3717
Discov num
HDS2446
Comp
Coord arcsec 2000
17 17 40.25 +37 17 29.4
Date first
1991
Date last
2010
Obs
15
Pa first
141
Pa last
143
P.A. Now (θ)
143°
Sep first
0.8
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
4.62
Mag sec
8.53
delta mag (ΔM)
3.91
Spectral class
A2V (white)
Pri motion ra
-043
Sec motion ra
-043
Pri motion dec
+061
Sec motion dec
+064
Notes
rPM=0.039 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
143.2
Precise sep
0.918
Name
69 Her
Other name
e Her
Constellation
Hercules
SAO
65921
HIP
84606
Tycho2
2604-01775-1
HD
156729
HR
6436
GC
23374
BD
BD+37 2864
Flamsteed
69 Herculis
Flamsteed name
69 Her
Distance
53.79
Distance ly
175.46
last precise pa
143.2
last precise sep
0.918
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17177+3717 HDS2446 2006 10 143 0.9 4.62 8.53 A2V D 171740.25+371729.4
17177+3717 HDS2446 2007 12 143 0.9 4.62 8.53 A2V D 171740.25+371729.4
17177+3717 HDS2446 2010 13 143 0.9 4.62 8.53 A2V D 171740.25+371729.4

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