16458-0046 A  1141

 
 
16h 45m 46.43s -00 45' 53.8" P.A. 129.9 sep 0.05 mag 9.10,9.20 Sp F8 dist. 106.95 pc (348.87 l.y.)
 
 
Coord 2000
16458-0046
Discov num
A  1141
Comp
Coord arcsec 2000
16 45 46.43 -00 45 53.8
Date first
1905
Date last
2017
Obs
50
Pa first
19
Pa last
152
P.A. Now (θ)
129.9°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.05"
Mag pri
9.10
Mag sec
9.20
delta mag (ΔM)
0.1
Spectral class
F8 (yellow-white)
Pri motion ra
+070
Sec motion ra
Pri motion dec
-082
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
152.1
Precise sep
0.074
Constellation
Ophiuchus
SAO
141350
HIP
82062
HD
151168
ADS
10196
Distance
106.95
Distance ly
348.87
last precise pa
152.1
last precise sep
0.074
 
 
ORBITAL ELEMENTS
 
 
Period (P)62.07y Periastron (T)1952.77y Semi-major axis (a)0.23a
Eccentricity (e)0.07 Inclination (i)101° Longitude of periastron (ω)243.4°
Node (Ω)13° Note Grade3(1=Definitive, 9=Indet.)
Equinox Last observation1973
label rho theta
2000 0.199 199.5
2001 0.208 198.1
2002 0.215 196.8
2003 0.220 195.5
2004 0.222 194.3
2005 0.222 193.1
2006 0.220 191.9
2007 0.215 190.7
2008 0.208 189.4
2009 0.198 188.0
2010 0.186 186.4
2011 0.172 184.6
2012 0.156 182.4
2013 0.138 179.7
2014 0.119 176.2
2015 0.099 171.2
2016 0.079 163.8
2017 0.060 151.5
2018 0.046 129.9
2019 0.041 97.3
2020 0.050 67.8
2021 0.067 50.1
2022 0.086 39.9
2023 0.106 33.5
2024 0.126 29.2
2025 0.145 26.0
2026 0.163 23.6
2027 0.179 21.6
2028 0.193 19.9
2029 0.206 18.4
2030 0.216 17.1

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds16458-0046b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16458-0046 A 1141 2006 40 10 0.2 9.10 9.20 F8 NOD 164546.43-004553.8
16458-0046 A 1141 2008 43 6 0.2 9.10 9.20 F8 NOD 164546.43-004553.8
16458-0046 A 1141 2014 47 353 0.1 9.10 9.20 F8 NO 164546.43-004553.8
16458-0046 A 1141 2015 49 167 0.1 9.10 9.20 F8 NO 164546.43-004553.8
16458-0046 A 1141 2017 50 152 0.1 9.10 9.20 F8 NO 164546.43-004553.8

If you need more information about this double, apply for a data request form to the WDS.