17045+0345 LDS 987

 
 
17h 04m 28.73s +03 44' 24.3" P.A. 176 sep 40.1 mag 11.08,11.82 dist. 80.19 pc (261.58 l.y.)
 
 
Coord 2000
17045+0345
Discov num
LDS 987
Comp
Coord arcsec 2000
17 04 28.73 +03 44 24.3
Date first
1910
Date last
2015
Obs
12
Pa first
176
Pa last
176
P.A. Now (θ)
176°
Sep first
40.1
Sep last
40.1
Sep. Now (ρ)
40.1"
Mag pri
11.08
Mag sec
11.82
delta mag (ΔM)
0.74
Spectral class
Pri motion ra
-220
Sec motion ra
-223
Pri motion dec
-158
Sec motion dec
-160
Notes
V (Proper motion indicates physical)
rPM=0.013 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
175.7
Precise sep
40.11
Spectr
K2
Constellation
Ophiuchus
HIP
83543
Tycho2
0402-00058-1
Distance
80.19
Distance ly
261.58
last precise pa
175.7
last precise sep
40.11
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17045+0345 LDS 987 2002 7 176 40.2 11.08 12.07 DV 170428.86+034425.8
17045+0345 LDS 987 2014 9 176 40.1 11.08 11.82 V 170428.86+034425.8
17045+0345 LDS 987 2015 10 176 40.1 11.08 11.82 V 170428.86+034425.8

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