10553-3530 I 1206 AB
10h 55m 19.86s -35° 29' 49.8" P.A. 79.00 sep 0.2 mag 8.60,9.10 Sp A0V dist. 271.74 pc (886.42 l.y.)
Coord 2000 |
10553-3530 |
|
Discov num |
I 1206 |
|
Comp |
AB |
|
Coord arcsec 2000 |
10 55 19.86 -35 29 49.8 |
|
Date first |
1926 |
|
Date last |
2021 |
|
Obs |
11 |
|
Pa first |
163 |
|
Pa last |
78.9 |
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P.A. Now (θ) |
78.9° |
|
Sep first |
0.2 |
|
Sep last |
0.162 |
|
Sep. Now (ρ) |
0.162" |
|
Mag pri |
8.60 |
|
Mag sec |
9.10 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
A0V (white) |
|
Pri motion ra |
+006 |
|
Sec motion ra |
|
|
Pri motion dec |
-003 |
|
Sec motion dec |
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|
Notes |
O
(Orbital solution) |
|
This double is physical.
10553-3530 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
201899 |
10 55 20 -35 29 50 |
I 1206 AB |
2021 |
11 |
79 |
0.2 |
8.60 |
9.10 |
0.50 |
Y |
<=== |
Show |
HD 94693 |
201899 |
10 55 20 -35 29 50 |
WHC 31 AB,C |
2017 |
10 |
168 |
33.9 |
8.05 |
9.50 |
1.45 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Antlia |
|
SAO |
201899 |
|
HIP |
53399 |
|
Tycho2 |
7207-02018-1 |
|
Gaia DR2 |
5401332527647067776 |
|
HD |
94693 |
|
CD |
CD-34 7078 |
|
CP |
CP-34 4388 |
|
Distance |
271.74 |
|
Distance ly |
886.42 |
|
ORBITAL ELEMENTS
Period (P) | 400y | |
Periastron (T) | 2273.5y | |
Semi-major axis (a) | 0.325a | |
Eccentricity (e) | 0.4 | |
Inclination (i) | 110.4° | |
Longitude of periastron (ω) | 121.3° | |
Node (Ω) | 11.8° | |
Notes | | |
Reference | Tok2021f | |
Equinox | | |
Last observation | 2021 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
107.1 |
0.144 |
2001 |
105.6 |
0.144 |
2002 |
104.1 |
0.144 |
2003 |
102.7 |
0.144 |
2004 |
101.2 |
0.145 |
2005 |
99.8 |
0.145 |
2006 |
98.3 |
0.146 |
2007 |
96.9 |
0.146 |
2008 |
95.5 |
0.147 |
2009 |
94.1 |
0.148 |
2010 |
92.7 |
0.149 |
2011 |
91.4 |
0.150 |
2012 |
90.0 |
0.151 |
2013 |
88.7 |
0.152 |
2014 |
87.4 |
0.153 |
2015 |
86.1 |
0.154 |
2016 |
84.8 |
0.155 |
2017 |
83.5 |
0.156 |
2018 |
82.3 |
0.158 |
2019 |
81.1 |
0.159 |
2020 |
79.9 |
0.161 |
2021 |
78.7 |
0.162 |
2022 |
77.6 |
0.164 |
2023 |
76.5 |
0.165 |
2024 |
75.4 |
0.167 |
2025 |
74.3 |
0.168 |
2026 |
73.2 |
0.170 |
2027 |
72.2 |
0.172 |
2028 |
71.2 |
0.174 |
2029 |
70.2 |
0.176 |
2030 |
69.2 |
0.177 |
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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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