17399+0748 HDS2499

 
 
17h 39m 55.94s +07 48' 04.0" P.A. 241 sep 0.7 mag 7.35,9.17 Sp K0 dist. 168.63 pc (550.07 l.y.)
 
 
Coord 2000
17399+0748
Discov num
HDS2499
Comp
Coord arcsec 2000
17 39 55.94 +07 48 04.0
Date first
1991
Date last
2014
Obs
8
Pa first
238
Pa last
241
P.A. Now (θ)
241°
Sep first
0.6
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
7.35
Mag sec
9.17
delta mag (ΔM)
1.82
Spectral class
K0 (yellow-orange)
Pri motion ra
-034
Sec motion ra
-034
Pri motion dec
-014
Sec motion dec
-014
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
241.2
Precise sep
0.667
Constellation
Ophiuchus
HIP
86457
Tycho2
0993-01085-1
HD
160509
BD
BD+07 3434
Distance
168.63
Distance ly
550.07
last precise pa
241.2
last precise sep
0.667
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17399+0748 HDS2499 2001 4 242 0.7 7.35 9.17 K0 D 173955.94+074804.0
17399+0748 HDS2499 2006 5 239 0.7 7.35 9.17 K0 D 173955.94+074804.0
17399+0748 HDS2499 2008 6 241 0.7 7.35 9.17 K0 D 173955.94+074804.0
17399+0748 HDS2499 2014 8 241 0.7 7.35 9.17 K0 173955.94+074804.0

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