16406-1540 LDS4685

 
 
16h 40m 32.19s -15 39' 23.0" P.A. 291 sep 44.1 mag 9.50,17.40 Sp F5V dist. 83.13 pc (271.17 l.y.)
 
 
Coord 2000
16406-1540
Discov num
LDS4685
Comp
Coord arcsec 2000
16 40 32.19 -15 39 23.0
Date first
1960
Date last
2010
Obs
4
Pa first
292
Pa last
291
P.A. Now (θ)
291°
Sep first
45.0
Sep last
44.1
Sep. Now (ρ)
44.1"
Mag pri
9.50
Mag sec
17.40
delta mag (ΔM)
7.9
Spectral class
F5V (yellow-white)
Pri motion ra
+046
Sec motion ra
+042
Pri motion dec
-071
Sec motion dec
-068
Notes
rPM=0.059 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
291.3
Precise sep
44.11
Constellation
Ophiuchus
SAO
160035
HIP
81631
Tycho2
6217-00879-1
HD
150284
BD
BD-15 4365
Distance
83.13
Distance ly
271.17
last precise pa
291.3
last precise sep
44.11
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16406-1540 LDS4685 1998 2 292 44.1 9.50 17.40 D 164032.19-153923.0
16406-1540 LDS4685 1999 3 291 44.0 9.50 17.40 D 164032.19-153923.0
16406-1540 LDS4685 2010 4 291 44.1 9.50 17.40 F5V 164032.19-153923.0

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