03339-3105 B 52 (HD 22262)
03h 33m 56.81s -31° 04' 49.1" P.A. 315.00 sep 0.2 mag 6.69,7.63 Sp F5V dist. 41.77 pc (136.25 l.y.)
Coord 2000 |
03339-3105 |
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Discov num |
B 52 |
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Comp |
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Coord arcsec 2000 |
03 33 56.81 -31 04 49.1 |
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Date first |
1926 |
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Date last |
2020 |
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Obs |
62 |
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Pa first |
311 |
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Pa last |
315.2 |
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P.A. Now (θ) |
318.6° |
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Sep first |
0.2 |
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Sep last |
0.155 |
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Sep. Now (ρ) |
0.254" |
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Mag pri |
6.69 |
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Mag sec |
7.63 |
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delta mag (ΔM) |
0.94 |
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Spectral class |
F5V (yellow-white) |
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Pri motion ra |
-026 |
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Sec motion ra |
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Pri motion dec |
+059 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 22262 |
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Constellation |
Fornax |
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SAO |
194375 |
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HIP |
16628 |
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Tycho2 |
7021-01149-1 |
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Gaia DR2 |
5055726331925367168 |
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HD |
22262 |
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HR |
1093 |
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GC |
4266 |
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CD |
CD-31 1450 |
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CP |
CP-31 412 |
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Distance |
41.77 |
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Distance ly |
136.25 |
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ORBITAL ELEMENTS
Period (P) | 19.408y | ± 0.045 |
Periastron (T) | 2016.226y | ± 0.076 |
Semi-major axis (a) | 0.222a | ± 0.001 |
Eccentricity (e) | 0.355 | ± 0.002 |
Inclination (i) | 85.1° | ± 0.2 |
Longitude of periastron (ω) | 3.4° | ± 1.6 |
Node (Ω) | 140.9° | ± 0.2 |
Notes | n | |
Reference | Tok2021c | |
Equinox | 2000 | |
Last observation | 2021 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
301.4 |
0.051 |
2001 |
312.9 |
0.122 |
2002 |
316.1 |
0.183 |
2003 |
317.8 |
0.231 |
2004 |
319.0 |
0.267 |
2005 |
319.9 |
0.290 |
2006 |
320.8 |
0.300 |
2007 |
321.6 |
0.297 |
2008 |
322.4 |
0.282 |
2009 |
323.5 |
0.255 |
2010 |
324.8 |
0.215 |
2011 |
326.8 |
0.163 |
2012 |
331.2 |
0.101 |
2013 |
353.5 |
0.033 |
2014 |
123.3 |
0.049 |
2015 |
136.1 |
0.112 |
2016 |
140.4 |
0.143 |
2017 |
144.3 |
0.122 |
2018 |
153.5 |
0.062 |
2019 |
276.2 |
0.024 |
2020 |
310.3 |
0.094 |
2021 |
315.1 |
0.159 |
2022 |
317.2 |
0.213 |
2023 |
318.6 |
0.254 |
2024 |
319.6 |
0.282 |
2025 |
320.4 |
0.298 |
2026 |
321.2 |
0.300 |
2027 |
322.1 |
0.290 |
2028 |
323.0 |
0.267 |
2029 |
324.2 |
0.233 |
2030 |
325.9 |
0.186 |
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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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