11330+0938 A 2576 AB
11h 33m 03.00s +09° 37' 38.8" P.A. 260.00 sep 0.6 mag 10.15,10.23 Sp G5
Coord 2000 |
11330+0938 |
|
Discov num |
A 2576 |
|
Comp |
AB |
|
Coord arcsec 2000 |
11 33 03.00 +09 37 38.8 |
|
Date first |
1913 |
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Date last |
2017 |
|
Obs |
16 |
|
Pa first |
201 |
|
Pa last |
260.2 |
|
P.A. Now (θ) |
260.2° |
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Sep first |
0.5 |
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Sep last |
0.64 |
|
Sep. Now (ρ) |
0.64" |
|
Mag pri |
10.15 |
|
Mag sec |
10.23 |
|
delta mag (ΔM) |
0.08 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+024 |
|
Sec motion ra |
+024 |
|
Pri motion dec |
-025 |
|
Sec motion dec |
-025 |
|
Notes |
O
(Orbital solution) |
|
This double is physical.
11330+0938 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
118914 |
11 33 03 +09 37 39 |
A 2576 AB |
2017 |
16 |
260 |
0.6 |
10.15 |
10.23 |
0.08 |
Y |
<=== |
Show |
HD 100361 |
118914 |
11 33 03 +09 37 39 |
A 2576 AB,C |
2015 |
8 |
237 |
32.0 |
9.44 |
11.80 |
2.36 |
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Show |
|
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11 33 01 +09 37 22 |
J 428 CD |
2016 |
11 |
260 |
4.0 |
12.00 |
13.00 |
1.00 |
|
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Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Leo |
|
SAO |
118914 |
|
Tycho2 |
0856-00564-1 |
|
Gaia DR2 |
3914423744646669952 |
|
HD |
100361 |
|
ADS |
8211 |
|
ORBITAL ELEMENTS
Period (P) | 373.7y | |
Periastron (T) | 1871.4y | |
Semi-major axis (a) | 0.645a | |
Eccentricity (e) | 0.487 | |
Inclination (i) | 55.6° | |
Longitude of periastron (ω) | 95.6° | |
Node (Ω) | 11.5° | |
Notes | | |
Reference | Sca2016a | |
Equinox | 2000 | |
Last observation | 2016 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
252.0 |
0.550 |
2001 |
252.7 |
0.550 |
2002 |
253.4 |
0.549 |
2003 |
254.0 |
0.548 |
2004 |
254.7 |
0.548 |
2005 |
255.3 |
0.547 |
2006 |
256.0 |
0.546 |
2007 |
256.7 |
0.546 |
2008 |
257.3 |
0.545 |
2009 |
258.0 |
0.544 |
2010 |
258.7 |
0.544 |
2011 |
259.3 |
0.543 |
2012 |
260.0 |
0.543 |
2013 |
260.7 |
0.542 |
2014 |
261.3 |
0.542 |
2015 |
262.0 |
0.541 |
2016 |
262.7 |
0.541 |
2017 |
263.4 |
0.541 |
2018 |
264.0 |
0.540 |
2019 |
264.7 |
0.540 |
2020 |
265.4 |
0.540 |
2021 |
266.1 |
0.539 |
2022 |
266.8 |
0.539 |
2023 |
267.4 |
0.539 |
2024 |
268.1 |
0.538 |
2025 |
268.8 |
0.538 |
2026 |
269.5 |
0.538 |
2027 |
270.2 |
0.538 |
2028 |
270.9 |
0.538 |
2029 |
271.5 |
0.538 |
2030 |
272.2 |
0.538 |
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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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