11230+0408 A 2776 AB
11h 23m 02.64s +04° 08' 17.0" P.A. 245.00 sep 0.2 mag 8.80,8.80 Sp F5 dist. 115.61 pc (377.12 l.y.)
Coord 2000 |
11230+0408 |
|
Discov num |
A 2776 |
|
Comp |
AB |
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Coord arcsec 2000 |
11 23 02.64 +04 08 17.0 |
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Date first |
1914 |
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Date last |
2018 |
|
Obs |
32 |
|
Pa first |
274 |
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Pa last |
245.2 |
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P.A. Now (θ) |
245.2° |
|
Sep first |
0.2 |
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Sep last |
0.178 |
|
Sep. Now (ρ) |
0.178" |
|
Mag pri |
8.80 |
|
Mag sec |
8.80 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
-108 |
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Sec motion ra |
|
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Pri motion dec |
+028 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
11230+0408 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
118820 |
11 23 03 +04 08 17 |
A 2776 AB |
2018 |
32 |
245 |
0.2 |
8.80 |
8.80 |
0.00 |
Y |
<=== |
Show |
|
118820 |
11 23 03 +04 08 17 |
A 2776 AB,C |
2015 |
9 |
61 |
6.2 |
8.13 |
13.50 |
5.37 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Leo |
|
SAO |
118820 |
|
HIP |
55574 |
|
Tycho2 |
0267-00813-1 |
|
Gaia DR2 |
3813469473202601856 |
|
HD |
98914 |
|
GC |
15633 |
|
ADS |
8145 |
|
BD |
BD+04 2454 |
|
Distance |
115.61 |
|
Distance ly |
377.12 |
|
ORBITAL ELEMENTS
Period (P) | 97y | |
Periastron (T) | 1998y | |
Semi-major axis (a) | 0.19a | |
Eccentricity (e) | 0.942 | |
Inclination (i) | 53.6° | |
Longitude of periastron (ω) | 75° | |
Node (Ω) | 192° | |
Notes | | |
Reference | Hrt2010a | |
Equinox | 2000 | |
Last observation | 2009 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
31.9 |
0.061 |
2001 |
37.5 |
0.077 |
2002 |
41.3 |
0.090 |
2003 |
44.2 |
0.102 |
2004 |
46.6 |
0.112 |
2005 |
48.5 |
0.121 |
2006 |
50.2 |
0.130 |
2007 |
51.7 |
0.137 |
2008 |
53.1 |
0.144 |
2009 |
54.3 |
0.151 |
2010 |
55.4 |
0.157 |
2011 |
56.5 |
0.163 |
2012 |
57.4 |
0.168 |
2013 |
58.3 |
0.173 |
2014 |
59.2 |
0.178 |
2015 |
60.0 |
0.183 |
2016 |
60.8 |
0.187 |
2017 |
61.6 |
0.191 |
2018 |
62.3 |
0.195 |
2019 |
63.0 |
0.198 |
2020 |
63.6 |
0.201 |
2021 |
64.3 |
0.205 |
2022 |
64.9 |
0.207 |
2023 |
65.5 |
0.210 |
2024 |
66.1 |
0.213 |
2025 |
66.7 |
0.215 |
2026 |
67.3 |
0.217 |
2027 |
67.8 |
0.219 |
2028 |
68.4 |
0.221 |
2029 |
68.9 |
0.223 |
2030 |
69.5 |
0.225 |
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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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