13372-6142 I 365 AB
13h 37m 12.20s -61° 41' 31.7" P.A. 154.00 sep 0.4 mag 5.98,7.22 Sp F6V dist. 35.73 pc (116.55 l.y.)
Coord 2000 |
13372-6142 |
|
Discov num |
I 365 |
|
Comp |
AB |
|
Coord arcsec 2000 |
13 37 12.20 -61 41 31.7 |
|
Date first |
1900 |
|
Date last |
2019 |
|
Obs |
78 |
|
Pa first |
234 |
|
Pa last |
153.7 |
|
P.A. Now (θ) |
139.4° |
|
Sep first |
0.3 |
|
Sep last |
0.361 |
|
Sep. Now (ρ) |
0.377" |
|
Mag pri |
5.98 |
|
Mag sec |
7.22 |
|
delta mag (ΔM) |
1.24 |
|
Spectral class |
F6V (yellow-white) |
|
Pri motion ra |
+154 |
|
Sec motion ra |
+154 |
|
Pri motion dec |
-111 |
|
Sec motion dec |
-111 |
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
13372-6142 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
252387 |
13 37 12 -61 41 32 |
I 365 AB |
2019 |
78 |
154 |
0.4 |
5.98 |
7.22 |
1.24 |
Y |
<=== |
Show |
HD 118261 |
252387 |
13 37 12 -61 41 32 |
I 365 AB,C |
2016 |
9 |
248 |
51.6 |
5.72 |
10.91 |
5.19 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Centaurus |
|
SAO |
252387 |
|
HIP |
66438 |
|
Tycho2 |
8991-04847-1 |
|
HD |
118261 |
|
HR |
5113 |
|
GC |
18384 |
|
CP |
CP-61 3841 |
|
Distance |
35.73 |
|
Distance ly |
116.55 |
|
ORBITAL ELEMENTS
Period (P) | 35y | |
Periastron (T) | 1967.5y | |
Semi-major axis (a) | 0.45a | |
Eccentricity (e) | 0.78 | |
Inclination (i) | 117° | |
Longitude of periastron (ω) | 94° | |
Node (Ω) | 71° | |
Notes | n | |
Reference | Sod1999 | |
Equinox | 2000 | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
85.6 |
0.279 |
2001 |
76.1 |
0.218 |
2002 |
52.1 |
0.104 |
2003 |
265.2 |
0.111 |
2004 |
242.1 |
0.212 |
2005 |
231.6 |
0.261 |
2006 |
223.8 |
0.290 |
2007 |
217.2 |
0.308 |
2008 |
211.2 |
0.320 |
2009 |
205.6 |
0.329 |
2010 |
200.2 |
0.335 |
2011 |
195.0 |
0.339 |
2012 |
189.9 |
0.343 |
2013 |
184.9 |
0.346 |
2014 |
180.0 |
0.349 |
2015 |
175.2 |
0.352 |
2016 |
170.5 |
0.354 |
2017 |
165.8 |
0.357 |
2018 |
161.2 |
0.360 |
2019 |
156.7 |
0.364 |
2020 |
152.2 |
0.367 |
2021 |
147.9 |
0.370 |
2022 |
143.6 |
0.374 |
2023 |
139.4 |
0.377 |
2024 |
135.3 |
0.380 |
2025 |
131.2 |
0.383 |
2026 |
127.2 |
0.384 |
2027 |
123.2 |
0.385 |
2028 |
119.2 |
0.385 |
2029 |
115.2 |
0.382 |
2030 |
111.1 |
0.378 |
|
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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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