11214-2027 STN 22 (SZ Crt)
11h 21m 26.67s -20° 27' 13.6" P.A. 356.00 sep 3.6 mag 8.88,11.27 Sp K4/5V dist. 13.16 pc (42.93 l.y.)
Coord 2000 |
11214-2027 |
|
Discov num |
STN 22 |
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Comp |
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Coord arcsec 2000 |
11 21 26.67 -20 27 13.6 |
|
Date first |
1877 |
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Date last |
2021 |
|
Obs |
23 |
|
Pa first |
306 |
|
Pa last |
356.2 |
|
P.A. Now (θ) |
356.2° |
|
Sep first |
6.4 |
|
Sep last |
3.649 |
|
Sep. Now (ρ) |
3.649" |
|
Mag pri |
8.88 |
|
Mag sec |
11.27 |
|
delta mag (ΔM) |
2.39 |
|
Spectral class |
K4/5V (yellow-orange) |
|
Pri motion ra |
+179 |
|
Sec motion ra |
+179 |
|
Pri motion dec |
-115 |
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Sec motion dec |
-115 |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Var name |
SZ Crt |
|
Constellation |
Crater |
|
SAO |
179801 |
|
HIP |
55454 |
|
Tycho2 |
6090-01204-1 |
|
Gaia DR2 |
3545469496823737856 |
|
HD |
98712 |
|
ADS |
8138 |
|
GL |
Gl 425A |
|
BD |
BD-19 3242 |
|
Distance |
13.16 |
|
Distance ly |
42.93 |
|
ORBITAL ELEMENTS
Period (P) | 1028.0914y | ± 546.2612 |
Periastron (T) | 2072.5478y | ± 35.1599 |
Semi-major axis (a) | 6.53275a | ± 1.94563 |
Eccentricity (e) | 0.34836 | ± 0.33742 |
Inclination (i) | 49.315° | ± 12.515 |
Longitude of periastron (ω) | 267.212° | ± 29.413 |
Node (Ω) | 141.264° | ± 52.356 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
345.8 |
4.257 |
2001 |
346.4 |
4.231 |
2002 |
346.9 |
4.204 |
2003 |
347.4 |
4.178 |
2004 |
347.9 |
4.152 |
2005 |
348.4 |
4.125 |
2006 |
349.0 |
4.099 |
2007 |
349.5 |
4.072 |
2008 |
350.1 |
4.046 |
2009 |
350.7 |
4.019 |
2010 |
351.2 |
3.993 |
2011 |
351.8 |
3.966 |
2012 |
352.4 |
3.939 |
2013 |
353.0 |
3.912 |
2014 |
353.6 |
3.886 |
2015 |
354.2 |
3.859 |
2016 |
354.8 |
3.832 |
2017 |
355.4 |
3.806 |
2018 |
356.1 |
3.779 |
2019 |
356.7 |
3.753 |
2020 |
357.4 |
3.726 |
2021 |
358.0 |
3.700 |
2022 |
358.7 |
3.673 |
2023 |
359.4 |
3.647 |
2024 |
0.1 |
3.621 |
2025 |
0.8 |
3.595 |
2026 |
1.5 |
3.569 |
2027 |
2.2 |
3.543 |
2028 |
2.9 |
3.518 |
2029 |
3.7 |
3.492 |
2030 |
4.4 |
3.467 |
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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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