17420+1038 HDS2504

 
 
17h 41m 59.57s +10 37' 59.3" P.A. 227 sep 0.2 mag 7.68,10.05 Sp K5 dist. 826.45 pc (2695.88 l.y.)
 
 
Coord 2000
17420+1038
Discov num
HDS2504
Comp
Coord arcsec 2000
17 41 59.57 +10 37 59.3
Date first
1991
Date last
1991
Obs
1
Pa first
227
Pa last
227
P.A. Now (θ)
227°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
7.68
Mag sec
10.05
delta mag (ΔM)
2.37
Spectral class
K5 (yellow-orange)
Pri motion ra
-008
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
227
Precise sep
0.209
Cdsa2 id
HDS 2504
Constellation
Ophiuchus
SAO
103032
HIP
86625
Tycho2
0997-00964-1
HD
160884
BD
BD+10 3269
Ra deg
17.699880555555556
De deg
10.63313888888889
Distance
826.45
Distance ly
2695.88
last precise pa
227
last precise sep
0.209
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17420+1038 HDS2504 1991 1 227 0.2 7.68 10.05 K5 174159.57+103759.3

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