16588+0358 STF 3107 AB
16h 58m 50.27s +03° 58' 01.3" P.A. 72.00 sep 1.4 mag 9.08,9.30 Sp G0
| Coord 2000 |
16588+0358 |
|
Discov num |
STF3107 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 58 50.27 +03 58 01.3 |
|
| Date first |
1831 |
|
Date last |
2016 |
|
Obs |
125 |
|
| Pa first |
112 |
|
Pa last |
71.9 |
|
P.A. Now (θ) |
71.9° |
|
| Sep first |
1.6 |
|
Sep last |
1.362 |
|
Sep. Now (ρ) |
1.362" |
|
| Mag pri |
9.08 |
|
Mag sec |
9.30 |
|
delta mag (ΔM) |
0.22 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
+016 |
|
Sec motion dec |
+016 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
16588+0358 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
121974 |
16 58 50 +03 58 01 |
STF 3107 AB |
2016 |
125 |
72 |
1.4 |
9.08 |
9.30 |
0.22 |
Y |
<=== |
| Show |
|
121974 |
16 58 50 +03 58 01 |
STF 3107 AC |
2015 |
5 |
321 |
42.2 |
9.08 |
13.85 |
4.77 |
|
|
| Show |
|
121974 |
16 58 50 +03 58 01 |
STF 3107 AD |
2015 |
11 |
43 |
72.7 |
9.08 |
10.11 |
1.03 |
|
|
| Show |
HD 153332 |
121974 |
16 58 50 +03 58 01 |
STF 3107 AB,D |
2004 |
13 |
42 |
72.6 |
8.43 |
10.11 |
1.68 |
|
|
| Show |
|
|
16 58 50 +03 58 01 |
STF 3107 BD |
2002 |
9 |
43 |
72.6 |
9.30 |
10.11 |
0.81 |
|
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Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
SAO |
121974 |
|
Tycho2 |
0393-02257-1 |
|
Gaia DR2 |
4392152583321180416 |
|
| HD |
153332 |
|
ORBITAL ELEMENTS
| Period (P) | 1147.3203y | ± 573.0953 |
Periastron (T) | 1779.9546y | ± 160.8643 |
Semi-major axis (a) | 2.46798a | ± 1.27263 |
| Eccentricity (e) | 0.70657 | ± 0.22948 |
Inclination (i) | 110.883° | ± 10.804 |
Longitude of periastron (ω) | 283.846° | ± 18.299 |
| Node (Ω) | 118.427° | ± 43.402 |
Notes | | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
73.9 |
1.431 |
| 2001 |
73.6 |
1.430 |
| 2002 |
73.4 |
1.429 |
| 2003 |
73.2 |
1.428 |
| 2004 |
72.9 |
1.427 |
| 2005 |
72.7 |
1.426 |
| 2006 |
72.5 |
1.425 |
| 2007 |
72.2 |
1.424 |
| 2008 |
72.0 |
1.423 |
| 2009 |
71.7 |
1.422 |
| 2010 |
71.5 |
1.421 |
| 2011 |
71.3 |
1.420 |
| 2012 |
71.0 |
1.419 |
| 2013 |
70.8 |
1.418 |
| 2014 |
70.5 |
1.417 |
| 2015 |
70.3 |
1.416 |
| 2016 |
70.1 |
1.415 |
| 2017 |
69.8 |
1.414 |
| 2018 |
69.6 |
1.413 |
| 2019 |
69.3 |
1.412 |
| 2020 |
69.1 |
1.411 |
| 2021 |
68.9 |
1.410 |
| 2022 |
68.6 |
1.409 |
| 2023 |
68.4 |
1.408 |
| 2024 |
68.1 |
1.407 |
| 2025 |
67.9 |
1.406 |
| 2026 |
67.6 |
1.405 |
| 2027 |
67.4 |
1.404 |
| 2028 |
67.2 |
1.403 |
| 2029 |
66.9 |
1.403 |
| 2030 |
66.7 |
1.402 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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