16038+1406 HDS 2265
16h 03m 49.23s +14° 06' 29.8" P.A. 170.00 sep 0.1 mag 9.34,12.23 Sp K2 dist. 46.06 pc (150.25 l.y.)
| Coord 2000 |
16038+1406 |
|
Discov num |
HDS2265 |
|
Comp |
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Coord arcsec 2000 |
16 03 49.23 +14 06 29.8 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
13 |
|
| Pa first |
352 |
|
Pa last |
170.2 |
|
P.A. Now (θ) |
170.2° |
|
| Sep first |
0.6 |
|
Sep last |
0.05 |
|
Sep. Now (ρ) |
0.05" |
|
| Mag pri |
9.34 |
|
Mag sec |
12.23 |
|
delta mag (ΔM) |
2.89 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+138 |
|
Sec motion ra |
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|
| Pri motion dec |
-134 |
|
Sec motion dec |
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| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Serpens |
|
HIP |
78688 |
|
Tycho2 |
0956-00862-1 |
|
Gaia DR2 |
1191924897193396352 |
|
| BD |
BD+14 2988 |
|
Distance |
46.06 |
|
Distance ly |
150.25 |
|
ORBITAL ELEMENTS
| Period (P) | 53.7y | |
Periastron (T) | 2021.17y | |
Semi-major axis (a) | 0.3544a | |
| Eccentricity (e) | 0.815 | |
Inclination (i) | 63.6° | |
Longitude of periastron (ω) | 153.1° | |
| Node (Ω) | 1.3° | |
Notes | | |
Reference | Tok2020e | |
| Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
352.1 |
0.594 |
| 2001 |
352.7 |
0.590 |
| 2002 |
353.3 |
0.585 |
| 2003 |
354.0 |
0.578 |
| 2004 |
354.6 |
0.570 |
| 2005 |
355.3 |
0.560 |
| 2006 |
356.0 |
0.549 |
| 2007 |
356.7 |
0.535 |
| 2008 |
357.5 |
0.520 |
| 2009 |
358.4 |
0.502 |
| 2010 |
359.3 |
0.483 |
| 2011 |
0.2 |
0.460 |
| 2012 |
1.3 |
0.435 |
| 2013 |
2.5 |
0.407 |
| 2014 |
3.9 |
0.376 |
| 2015 |
5.6 |
0.341 |
| 2016 |
7.7 |
0.300 |
| 2017 |
10.6 |
0.254 |
| 2018 |
14.8 |
0.201 |
| 2019 |
22.5 |
0.138 |
| 2020 |
46.0 |
0.066 |
| 2021 |
156.7 |
0.051 |
| 2022 |
205.4 |
0.073 |
| 2023 |
247.2 |
0.073 |
| 2024 |
280.7 |
0.092 |
| 2025 |
299.8 |
0.124 |
| 2026 |
310.8 |
0.159 |
| 2027 |
317.8 |
0.194 |
| 2028 |
322.7 |
0.228 |
| 2029 |
326.3 |
0.260 |
| 2030 |
329.2 |
0.291 |
|
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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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