17432-2956 ARG  30

 
 
17h 43m 09.54s -29 56' 17.8" P.A. 292 sep 35.7 mag 8.91,9.46 Sp K4III
 
 
Coord 2000
17432-2956
Discov num
ARG  30
Comp
Coord arcsec 2000
17 43 09.54 -29 56 17.8
Date first
1880
Date last
2013
Obs
15
Pa first
292
Pa last
292
P.A. Now (θ)
292°
Sep first
36.7
Sep last
35.7
Sep. Now (ρ)
35.7"
Mag pri
8.91
Mag sec
9.46
delta mag (ΔM)
0.55
Spectral class
K4III (yellow-orange)
Pri motion ra
-006
Sec motion ra
-004
Pri motion dec
-009
Sec motion dec
-004
Notes
N (See Notes)
rPM=0.498
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
291.8
Precise sep
35.71
Constellation
Ophiuchus
SAO
185650
Tycho2
6839-00059-1
HD
160809
last precise pa
291.8
last precise sep
35.71
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17432-2956 ARG 30 1998 12 291 35.7 8.91 9.46 K4III N D 174309.54-295617.8
17432-2956 ARG 30 1999 13 291 36.1 8.91 9.46 K4III N D 174309.54-295617.8
17432-2956 ARG 30 2013 14 292 35.7 8.91 9.46 K4III N D 174309.54-295617.8

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