19172-6640 GLE 3 (HD 179366)
19h 17m 12.25s -66° 39' 39.8" P.A. 355.00 sep 0.5 mag 6.12,6.42 Sp A5V+A8V dist. 91.58 pc (298.73 l.y.)
| Coord 2000 |
19172-6640 |
|
Discov num |
GLE 3 |
|
Comp |
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|
Coord arcsec 2000 |
19 17 12.25 -66 39 39.8 |
|
| Date first |
1894 |
|
Date last |
2019 |
|
Obs |
44 |
|
| Pa first |
40 |
|
Pa last |
354.6 |
|
P.A. Now (θ) |
359.7° |
|
| Sep first |
0.5 |
|
Sep last |
0.522 |
|
Sep. Now (ρ) |
0.533" |
|
| Mag pri |
6.12 |
|
Mag sec |
6.42 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
A5V+A8V (white/white) |
|
| Pri motion ra |
+017 |
|
Sec motion ra |
+017 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 179366 |
|
Constellation |
Pavo |
|
SAO |
254515 |
|
HIP |
94789 |
|
| Tycho2 |
9083-01820-1 |
|
Gaia DR2 |
6434091803770731648 |
|
HD |
179366 |
|
HR |
7278 |
|
| GC |
26512 |
|
CP |
CP-66 3417 |
|
Distance |
91.58 |
|
Distance ly |
298.73 |
|
ORBITAL ELEMENTS
| Period (P) | 156.8y | ± 8 |
Periastron (T) | 1950.69y | ± 0.5 |
Semi-major axis (a) | 0.539a | ± 0.05 |
| Eccentricity (e) | 0.568 | ± 0.02 |
Inclination (i) | 50.8° | ± 1 |
Longitude of periastron (ω) | 98° | ± 2 |
| Node (Ω) | 84.5° | ± 2 |
Notes | n | |
Reference | Doc2007d | |
| Equinox | 2000 | |
Last observation | 1991 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
330.1 |
0.506 |
| 2001 |
331.4 |
0.507 |
| 2002 |
332.8 |
0.508 |
| 2003 |
334.1 |
0.509 |
| 2004 |
335.4 |
0.510 |
| 2005 |
336.8 |
0.511 |
| 2006 |
338.1 |
0.512 |
| 2007 |
339.4 |
0.514 |
| 2008 |
340.7 |
0.515 |
| 2009 |
342.0 |
0.516 |
| 2010 |
343.3 |
0.517 |
| 2011 |
344.6 |
0.518 |
| 2012 |
345.9 |
0.519 |
| 2013 |
347.2 |
0.520 |
| 2014 |
348.5 |
0.521 |
| 2015 |
349.8 |
0.523 |
| 2016 |
351.0 |
0.524 |
| 2017 |
352.3 |
0.525 |
| 2018 |
353.5 |
0.526 |
| 2019 |
354.8 |
0.528 |
| 2020 |
356.0 |
0.529 |
| 2021 |
357.3 |
0.530 |
| 2022 |
358.5 |
0.532 |
| 2023 |
359.7 |
0.533 |
| 2024 |
0.9 |
0.535 |
| 2025 |
2.2 |
0.536 |
| 2026 |
3.4 |
0.537 |
| 2027 |
4.6 |
0.539 |
| 2028 |
5.7 |
0.540 |
| 2029 |
6.9 |
0.542 |
| 2030 |
8.1 |
0.543 |
| 2031 |
9.3 |
0.545 |
| 2032 |
10.4 |
0.546 |
| 2033 |
11.6 |
0.548 |
| 2034 |
12.8 |
0.549 |
| 2035 |
13.9 |
0.551 |
| 2036 |
15.1 |
0.552 |
| 2037 |
16.2 |
0.553 |
| 2038 |
17.3 |
0.555 |
| 2039 |
18.4 |
0.556 |
| 2040 |
19.6 |
0.558 |
| 2041 |
20.7 |
0.559 |
| 2042 |
21.8 |
0.560 |
| 2043 |
22.9 |
0.561 |
| 2044 |
24.0 |
0.563 |
| 2045 |
25.1 |
0.564 |
| 2046 |
26.2 |
0.565 |
| 2047 |
27.3 |
0.566 |
| 2048 |
28.3 |
0.567 |
| 2049 |
29.4 |
0.568 |
| 2050 |
30.5 |
0.569 |
|
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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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