15548-6554 NZO 65 (HD 141747)
15h 54m 48.49s -65° 54' 04.3" P.A. 114.00 sep 0.2 mag 8.35,8.49 Sp G0 dist. 47.62 pc (155.34 l.y.)
| Coord 2000 |
15548-6554 |
|
Discov num |
NZO 65 |
|
Comp |
|
|
Coord arcsec 2000 |
15 54 48.49 -65 54 04.3 |
|
| Date first |
1905 |
|
Date last |
2019 |
|
Obs |
15 |
|
| Pa first |
300 |
|
Pa last |
114.4 |
|
P.A. Now (θ) |
114.4° |
|
| Sep first |
0.5 |
|
Sep last |
0.201 |
|
Sep. Now (ρ) |
0.201" |
|
| Mag pri |
8.35 |
|
Mag sec |
8.49 |
|
delta mag (ΔM) |
0.14 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+018 |
|
Sec motion ra |
+014 |
|
| Pri motion dec |
+021 |
|
Sec motion dec |
+024 |
|
| Notes |
O
(Orbital solution) |
|
rPM=0.18 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 141747 |
|
Constellation |
Triangulum Australe |
|
HIP |
77921 |
|
Tycho2 |
9035-00856-1 |
|
| Gaia DR2 |
5822482108594169472 |
|
HD |
141747 |
|
CP |
CP-65 3165 |
|
Distance |
47.62 |
|
| Distance ly |
155.34 |
|
ORBITAL ELEMENTS
| Period (P) | 120.6y | ± 2.18 |
Periastron (T) | 2009.88y | ± 0.11 |
Semi-major axis (a) | 0.6831a | ± 0.0085 |
| Eccentricity (e) | 0.464 | ± 0.01 |
Inclination (i) | 85.7° | ± 0.2 |
Longitude of periastron (ω) | 219° | |
| Node (Ω) | 122.2° | ± 0.4 |
Notes | | |
Reference | Tok2016e | |
| Equinox | 2000 | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
299.1 |
0.388 |
| 2001 |
299.7 |
0.398 |
| 2002 |
300.3 |
0.404 |
| 2003 |
300.8 |
0.407 |
| 2004 |
301.4 |
0.405 |
| 2005 |
301.9 |
0.398 |
| 2006 |
302.5 |
0.386 |
| 2007 |
303.2 |
0.368 |
| 2008 |
303.9 |
0.345 |
| 2009 |
304.8 |
0.315 |
| 2010 |
305.8 |
0.281 |
| 2011 |
307.2 |
0.241 |
| 2012 |
309.1 |
0.197 |
| 2013 |
312.2 |
0.151 |
| 2014 |
318.2 |
0.103 |
| 2015 |
334.3 |
0.056 |
| 2016 |
39.7 |
0.031 |
| 2017 |
92.4 |
0.064 |
| 2018 |
105.3 |
0.112 |
| 2019 |
110.4 |
0.161 |
| 2020 |
113.2 |
0.209 |
| 2021 |
114.9 |
0.255 |
| 2022 |
116.1 |
0.301 |
| 2023 |
117.0 |
0.344 |
| 2024 |
117.7 |
0.385 |
| 2025 |
118.3 |
0.425 |
| 2026 |
118.7 |
0.463 |
| 2027 |
119.1 |
0.499 |
| 2028 |
119.5 |
0.533 |
| 2029 |
119.8 |
0.565 |
| 2030 |
120.1 |
0.595 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
