17174-0752 STF2144

 
 
17h 17m 23.29s -07 52' 09.0" P.A. 178 sep 25.9 mag 8.43,10.53 Sp K2 dist. 253.16 pc (825.81 l.y.)
 
 
Coord 2000
17174-0752
Discov num
STF2144
Comp
Coord arcsec 2000
17 17 23.29 -07 52 09.0
Date first
1848
Date last
2010
Obs
14
Pa first
184
Pa last
178
P.A. Now (θ)
178°
Sep first
25.7
Sep last
25.9
Sep. Now (ρ)
25.9"
Mag pri
8.43
Mag sec
10.53
delta mag (ΔM)
2.1
Spectral class
K2 (yellow-orange)
Pri motion ra
-017
Sec motion ra
-001
Pri motion dec
+007
Sec motion dec
+003
Notes
Y (Parallax indicates components are non-physical)
rPM=0.897
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177.5
Precise sep
25.86
Constellation
Ophiuchus
HIP
84582
Tycho2
5645-00995-1
HD
156344
BD
BD-07 4419
Distance
253.16
Distance ly
825.81
last precise pa
177.5
last precise sep
25.86
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17174-0752 STF2144 2006 11 178 25.4 8.43 10.53 K2 YD 171723.29-075209.0
17174-0752 STF2144 2009 12 178 25.7 8.43 10.53 K2 YD 171723.29-075209.0
17174-0752 STF2144 2010 14 179 25.7 8.43 10.53 K2 Y 171723.29-075209.0

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