17317+1111 AG  354

 
 
17h 31m 41.29s +11 10' 53.9" P.A. 52 sep 2.5 mag 9.53,9.92 Sp G5
 
 
Coord 2000
17317+1111
Discov num
AG  354
Comp
Coord arcsec 2000
17 31 41.29 +11 10 53.9
Date first
1894
Date last
2016
Obs
42
Pa first
54
Pa last
52
P.A. Now (θ)
52°
Sep first
2.3
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
9.53
Mag sec
9.92
delta mag (ΔM)
0.39
Spectral class
G5 (yellow)
Pri motion ra
+045
Sec motion ra
Pri motion dec
-025
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
51.7
Precise sep
2.483
Constellation
Ophiuchus
Tycho2
0996-00221-1
HD
158957
last precise pa
51.7
last precise sep
2.483
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17317+1111 AG 354 1998 35 52 2.4 9.53 9.92 G5 N D 173141.29+111053.9
17317+1111 AG 354 2008 39 51 2.4 9.53 9.92 G5 N D 173141.29+111053.9
17317+1111 AG 354 2009 41 52 2.4 9.53 9.92 G5 N D 173141.29+111053.9
17317+1111 AG 354 2011 42 51 2.5 9.53 9.92 G5 N D 173141.29+111053.9
17317+1111 AG 354 2013 41 51 2.5 9.53 9.92 G5 N D 173141.29+111053.9
17317+1111 AG 354 2016 42 52 2.5 9.53 9.92 G5 N 173141.29+111053.9

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