17425-2547 B  2842

 
 
17h 42m 28.60s -25 46' 39.5" P.A. 342 sep 8.9 mag 9.52,11.50 Sp G1V
 
 
Coord 2000
17425-2547
Discov num
B  2842
Comp
Coord arcsec 2000
17 42 28.60 -25 46 39.5
Date first
1911
Date last
1999
Obs
7
Pa first
347
Pa last
342
P.A. Now (θ)
342°
Sep first
9.8
Sep last
8.9
Sep. Now (ρ)
8.9"
Mag pri
9.52
Mag sec
11.50
delta mag (ΔM)
1.98
Spectral class
G1V (yellow)
Pri motion ra
+013
Sec motion ra
+008
Pri motion dec
+022
Sec motion dec
+056
Notes
rPM=0.608
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
342.2
Precise sep
8.92
Constellation
Ophiuchus
SAO
185637
Tycho2
6831-00082-1
HD
160681
last precise pa
342.2
last precise sep
8.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17425-2547 B 2842 1999 6 342 8.9 9.52 11.50 G1V D 174228.60-254639.5

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