16160+0721 STF 2026 AB (HD 146413)
16h 15m 57.07s +07° 21' 24.8" P.A. 16.00 sep 3.5 mag 9.48,9.86 Sp K5 dist. 26.04 pc (84.94 l.y.)
| Coord 2000 |
16160+0721 |
|
Discov num |
STF2026 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 15 57.07 +07 21 24.8 |
|
| Date first |
1830 |
|
Date last |
2019 |
|
Obs |
326 |
|
| Pa first |
346 |
|
Pa last |
15.6 |
|
P.A. Now (θ) |
15.7° |
|
| Sep first |
2.5 |
|
Sep last |
3.508 |
|
Sep. Now (ρ) |
3.638" |
|
| Mag pri |
9.48 |
|
Mag sec |
9.86 |
|
delta mag (ΔM) |
0.38 |
|
Spectral class |
K5 (yellow-orange) |
|
| Pri motion ra |
+173 |
|
Sec motion ra |
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|
| Pri motion dec |
-475 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
16160+0721 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 146413 |
|
16 15 57 +07 21 25 |
STF 2026 AB |
2019 |
326 |
16 |
3.5 |
9.48 |
9.86 |
0.38 |
Y |
<=== |
| Show |
|
|
16 15 57 +07 21 25 |
LEP 78 AC |
2015 |
3 |
62 |
581.7 |
9.48 |
17.49 |
8.01 |
|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 146413 |
|
Constellation |
Hercules |
|
HIP |
79702 |
|
Tycho2 |
0380-00872-1 |
|
| Gaia DR2 |
4450372376847499904 |
|
HD |
146413 |
|
ADS |
9982 |
|
BD |
BD+07 3125 |
|
| Distance |
26.04 |
|
Distance ly |
84.94 |
|
ORBITAL ELEMENTS
| Period (P) | 433.7911y | ± 56.8321 |
Periastron (T) | 1907.1511y | ± 1.1504 |
Semi-major axis (a) | 2.38112a | ± 0.12254 |
| Eccentricity (e) | 0.80696 | ± 0.01709 |
Inclination (i) | 132.719° | ± 3.55 |
Longitude of periastron (ω) | 193.054° | ± 8.518 |
| Node (Ω) | 13.026° | ± 3.814 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
19.3 |
3.258 |
| 2001 |
19.1 |
3.277 |
| 2002 |
18.9 |
3.295 |
| 2003 |
18.8 |
3.314 |
| 2004 |
18.6 |
3.332 |
| 2005 |
18.4 |
3.350 |
| 2006 |
18.3 |
3.368 |
| 2007 |
18.1 |
3.385 |
| 2008 |
17.9 |
3.403 |
| 2009 |
17.8 |
3.420 |
| 2010 |
17.6 |
3.437 |
| 2011 |
17.5 |
3.453 |
| 2012 |
17.3 |
3.470 |
| 2013 |
17.1 |
3.486 |
| 2014 |
17.0 |
3.502 |
| 2015 |
16.8 |
3.518 |
| 2016 |
16.7 |
3.534 |
| 2017 |
16.5 |
3.549 |
| 2018 |
16.4 |
3.564 |
| 2019 |
16.2 |
3.579 |
| 2020 |
16.1 |
3.594 |
| 2021 |
15.9 |
3.609 |
| 2022 |
15.8 |
3.624 |
| 2023 |
15.7 |
3.638 |
| 2024 |
15.5 |
3.652 |
| 2025 |
15.4 |
3.666 |
| 2026 |
15.2 |
3.680 |
| 2027 |
15.1 |
3.693 |
| 2028 |
15.0 |
3.706 |
| 2029 |
14.8 |
3.720 |
| 2030 |
14.7 |
3.733 |
|
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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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