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 |
|
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 |
|
|
| 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 |
|
|
Triple system
2 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 |
| 2031 |
68.3 |
0.179 |
| 2032 |
67.3 |
0.181 |
| 2033 |
66.4 |
0.183 |
| 2034 |
65.5 |
0.185 |
| 2035 |
64.6 |
0.187 |
| 2036 |
63.8 |
0.189 |
| 2037 |
62.9 |
0.191 |
| 2038 |
62.1 |
0.193 |
| 2039 |
61.3 |
0.196 |
| 2040 |
60.5 |
0.198 |
| 2041 |
59.8 |
0.200 |
| 2042 |
59.0 |
0.202 |
| 2043 |
58.3 |
0.204 |
| 2044 |
57.6 |
0.206 |
| 2045 |
56.8 |
0.209 |
| 2046 |
56.2 |
0.211 |
| 2047 |
55.5 |
0.213 |
| 2048 |
54.8 |
0.215 |
| 2049 |
54.2 |
0.217 |
| 2050 |
53.5 |
0.220 |
|
|

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

Measures: green=micrometric, blue=interferometric, purple=photographic
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