16079+1425 A 1798 (HD 144935)
16h 07m 55.15s +14° 25' 22.3" P.A. 344.00 sep 0.2 mag 8.88,10.20 Sp F0 dist. 265.96 pc (867.56 l.y.)
| Coord 2000 |
16079+1425 |
|
Discov num |
A 1798 |
|
Comp |
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Coord arcsec 2000 |
16 07 55.15 +14 25 22.3 |
|
| Date first |
1908 |
|
Date last |
2016 |
|
Obs |
51 |
|
| Pa first |
111 |
|
Pa last |
344.4 |
|
P.A. Now (θ) |
344.4° |
|
| Sep first |
0.3 |
|
Sep last |
0.211 |
|
Sep. Now (ρ) |
0.211" |
|
| Mag pri |
8.88 |
|
Mag sec |
10.20 |
|
delta mag (ΔM) |
1.32 |
|
Spectral class |
F0 (yellow-white) |
|
| Pri motion ra |
+014 |
|
Sec motion ra |
|
|
| Pri motion dec |
+013 |
|
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 144935 |
|
Constellation |
Serpens |
|
SAO |
101944 |
|
HIP |
79034 |
|
| Tycho2 |
0957-00886-1 |
|
Gaia DR2 |
4464567003242076928 |
|
HD |
144935 |
|
ADS |
9931 |
|
| BD |
BD+14 2999 |
|
Distance |
265.96 |
|
Distance ly |
867.56 |
|
ORBITAL ELEMENTS
| Period (P) | 298y | ± 15 |
Periastron (T) | 2049.91y | ± 0.4 |
Semi-major axis (a) | 0.241a | ± 0.006 |
| Eccentricity (e) | 0.303 | ± 0.016 |
Inclination (i) | 128.7° | ± 2 |
Longitude of periastron (ω) | 220.4° | ± 2 |
| Node (Ω) | 140.2° | ± 2 |
Notes | n | |
Reference | Doc2021e | |
| Equinox | | |
Last observation | 2016 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
1.6 |
0.173 |
| 2001 |
0.2 |
0.174 |
| 2002 |
358.8 |
0.175 |
| 2003 |
357.5 |
0.176 |
| 2004 |
356.1 |
0.176 |
| 2005 |
354.8 |
0.177 |
| 2006 |
353.4 |
0.178 |
| 2007 |
352.1 |
0.178 |
| 2008 |
350.8 |
0.179 |
| 2009 |
349.5 |
0.180 |
| 2010 |
348.2 |
0.180 |
| 2011 |
346.9 |
0.181 |
| 2012 |
345.6 |
0.181 |
| 2013 |
344.4 |
0.182 |
| 2014 |
343.1 |
0.182 |
| 2015 |
341.9 |
0.182 |
| 2016 |
340.6 |
0.183 |
| 2017 |
339.3 |
0.183 |
| 2018 |
338.1 |
0.183 |
| 2019 |
336.9 |
0.183 |
| 2020 |
335.6 |
0.184 |
| 2021 |
334.4 |
0.184 |
| 2022 |
333.1 |
0.183 |
| 2023 |
331.9 |
0.183 |
| 2024 |
330.6 |
0.183 |
| 2025 |
329.4 |
0.183 |
| 2026 |
328.1 |
0.182 |
| 2027 |
326.9 |
0.182 |
| 2028 |
325.6 |
0.181 |
| 2029 |
324.3 |
0.181 |
| 2030 |
323.1 |
0.180 |
|
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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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