16589-3737 SEE 315 (HD 152072)
16h 58m 52.25s -37° 37' 13.5" P.A. 319.00 sep 0.1 mag 6.54,7.32 Sp A3V dist. 96.71 pc (315.47 l.y.)
| Coord 2000 |
16589-3737 |
|
Discov num |
SEE 315 |
|
Comp |
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Coord arcsec 2000 |
16 58 52.25 -37 37 13.5 |
|
| Date first |
1897 |
|
Date last |
2021 |
|
Obs |
58 |
|
| Pa first |
203 |
|
Pa last |
319.1 |
|
P.A. Now (θ) |
343.9° |
|
| Sep first |
0.3 |
|
Sep last |
0.13 |
|
Sep. Now (ρ) |
0.122" |
|
| Mag pri |
6.54 |
|
Mag sec |
7.32 |
|
delta mag (ΔM) |
0.78 |
|
Spectral class |
A3V (white) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
|
|
| Pri motion dec |
-037 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 152072 |
|
Constellation |
Scorpius |
|
SAO |
208259 |
|
HIP |
83100 |
|
| Tycho2 |
7868-00106-1 |
|
Gaia DR2 |
5970622505708199168 |
|
HD |
152072 |
|
HR |
6298 |
|
| GC |
22867 |
|
CD |
CD-3711131 |
|
CP |
CP-37 6820 |
|
Distance |
96.71 |
|
| Distance ly |
315.47 |
|
ORBITAL ELEMENTS
| Period (P) | 38.73y | ± 4.48 |
Periastron (T) | 1984.63y | ± 1.11 |
Semi-major axis (a) | 0.186a | ± 0.006 |
| Eccentricity (e) | 0.154 | ± 0.106 |
Inclination (i) | 39.4° | ± 8.6 |
Longitude of periastron (ω) | 102.4° | ± 11.2 |
| Node (Ω) | 243.9° | ± 1.7 |
Notes | n | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
134.1 |
0.166 |
| 2001 |
143.1 |
0.165 |
| 2002 |
152.1 |
0.165 |
| 2003 |
161.0 |
0.166 |
| 2004 |
169.8 |
0.168 |
| 2005 |
178.3 |
0.172 |
| 2006 |
186.5 |
0.176 |
| 2007 |
194.3 |
0.180 |
| 2008 |
201.7 |
0.184 |
| 2009 |
208.8 |
0.188 |
| 2010 |
215.6 |
0.191 |
| 2011 |
222.3 |
0.193 |
| 2012 |
228.9 |
0.193 |
| 2013 |
235.5 |
0.192 |
| 2014 |
242.3 |
0.189 |
| 2015 |
249.3 |
0.184 |
| 2016 |
256.9 |
0.177 |
| 2017 |
265.2 |
0.168 |
| 2018 |
274.5 |
0.157 |
| 2019 |
285.1 |
0.146 |
| 2020 |
297.5 |
0.136 |
| 2021 |
311.7 |
0.128 |
| 2022 |
327.5 |
0.123 |
| 2023 |
343.9 |
0.122 |
| 2024 |
359.8 |
0.127 |
| 2025 |
14.3 |
0.135 |
| 2026 |
26.9 |
0.144 |
| 2027 |
38.0 |
0.154 |
| 2028 |
47.7 |
0.163 |
| 2029 |
56.5 |
0.171 |
| 2030 |
64.6 |
0.176 |
|
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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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