16253-4909 COO 197 AB (HD 147633)
16h 25m 17.59s -49° 08' 52.3" P.A. 89.00 sep 2.4 mag 8.11,8.23 Sp K0/1V dist. 46.99 pc (153.28 l.y.)
Coord 2000 |
16253-4909 |
|
Discov num |
COO 197 |
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Comp |
AB |
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Coord arcsec 2000 |
16 25 17.59 -49 08 52.3 |
|
Date first |
1895 |
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Date last |
2021 |
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Obs |
65 |
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Pa first |
207 |
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Pa last |
89.2 |
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P.A. Now (θ) |
89.2° |
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Sep first |
1.6 |
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Sep last |
2.396 |
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Sep. Now (ρ) |
2.396" |
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Mag pri |
8.11 |
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Mag sec |
8.23 |
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delta mag (ΔM) |
0.12 |
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Spectral class |
K0/1V (yellow-orange) |
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Pri motion ra |
-092 |
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Sec motion ra |
-092 |
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Pri motion dec |
-092 |
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Sec motion dec |
-084 |
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Notes |
N
O
(See Notes, Orbital solution) |
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rPM=0.061 (< 0.3, Physical double)
This double is physical.
16253-4909 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 147633 |
|
16 25 18 -49 08 52 |
COO 197 AB |
2021 |
65 |
89 |
2.4 |
8.11 |
8.23 |
0.12 |
Y |
<=== |
Show |
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16 25 18 -49 08 52 |
COO 197 AC |
2010 |
16 |
77 |
20.7 |
8.11 |
12.00 |
3.89 |
|
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Show |
|
226738 |
16 25 18 -49 08 53 |
CVN 27 Ba,Bb |
2021 |
21 |
115 |
0.1 |
8.23 |
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Y |
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Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 147633 |
|
Constellation |
Norma |
|
HIP |
80448 |
|
Tycho2 |
8320-02096-1 |
|
Gaia DR2 |
5941405213211343616 |
|
HD |
147633 |
|
CD |
CD-4810809 |
|
CP |
CP-48 8449 |
|
Distance |
46.99 |
|
Distance ly |
153.28 |
|
ORBITAL ELEMENTS
Period (P) | 727.1805y | ± 326.7926 |
Periastron (T) | 1967.5064y | ± 118.846 |
Semi-major axis (a) | 3.06957a | ± 0.8888 |
Eccentricity (e) | 0.11545 | ± 0.55601 |
Inclination (i) | 124.505° | ± 13.898 |
Longitude of periastron (ω) | 291.245° | ± 52.788 |
Node (Ω) | 69.493° | ± 14.372 |
Notes | | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
102.1 |
2.152 |
2001 |
101.5 |
2.165 |
2002 |
100.9 |
2.179 |
2003 |
100.4 |
2.192 |
2004 |
99.8 |
2.206 |
2005 |
99.3 |
2.219 |
2006 |
98.8 |
2.232 |
2007 |
98.3 |
2.246 |
2008 |
97.7 |
2.259 |
2009 |
97.2 |
2.272 |
2010 |
96.7 |
2.285 |
2011 |
96.2 |
2.298 |
2012 |
95.7 |
2.311 |
2013 |
95.2 |
2.324 |
2014 |
94.8 |
2.337 |
2015 |
94.3 |
2.350 |
2016 |
93.8 |
2.363 |
2017 |
93.3 |
2.375 |
2018 |
92.9 |
2.388 |
2019 |
92.4 |
2.400 |
2020 |
92.0 |
2.413 |
2021 |
91.5 |
2.425 |
2022 |
91.1 |
2.437 |
2023 |
90.6 |
2.449 |
2024 |
90.2 |
2.461 |
2025 |
89.8 |
2.473 |
2026 |
89.3 |
2.484 |
2027 |
88.9 |
2.496 |
2028 |
88.5 |
2.508 |
2029 |
88.1 |
2.519 |
2030 |
87.7 |
2.530 |
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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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