22552-0459 BU 178 (NSV14360)
22h 55m 10.96s -04° 59' 16.4" P.A. 324.00 sep 0.5 mag 6.03,7.75 Sp G4:III dist. 83.4 pc (272.05 l.y.)
Coord 2000 |
22552-0459 |
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Discov num |
BU 178 |
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Comp |
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Coord arcsec 2000 |
22 55 10.96 -04 59 16.4 |
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Date first |
1873 |
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Date last |
2021 |
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Obs |
78 |
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Pa first |
310 |
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Pa last |
324.1 |
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P.A. Now (θ) |
324.3° |
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Sep first |
0.6 |
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Sep last |
0.538 |
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Sep. Now (ρ) |
0.52" |
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Mag pri |
6.03 |
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Mag sec |
7.75 |
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delta mag (ΔM) |
1.72 |
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Spectral class |
G4:III (yellow) |
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Pri motion ra |
+029 |
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Sec motion ra |
+029 |
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Pri motion dec |
-009 |
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Sec motion dec |
-009 |
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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 |
NSV14360 |
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Constellation |
Aquarius |
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SAO |
146388 |
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HIP |
113184 |
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Tycho2 |
5238-01509-1 |
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Gaia DR2 |
2636041095658206336 |
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HD |
216718 |
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HR |
8716 |
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GC |
31960 |
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ADS |
16365 |
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BD |
BD-05 5885 |
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Distance |
83.4 |
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Distance ly |
272.05 |
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ORBITAL ELEMENTS
Period (P) | 106y | |
Periastron (T) | 1944.21y | |
Semi-major axis (a) | 0.394a | |
Eccentricity (e) | 0.743 | |
Inclination (i) | 82.2° | |
Longitude of periastron (ω) | 2.2° | |
Node (Ω) | 140.8° | |
Notes | n | |
Reference | Tok2017c | |
Equinox | 2000 | |
Last observation | 2017 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
321.4 |
0.684 |
2001 |
321.5 |
0.682 |
2002 |
321.6 |
0.679 |
2003 |
321.7 |
0.677 |
2004 |
321.8 |
0.673 |
2005 |
321.9 |
0.670 |
2006 |
322.0 |
0.666 |
2007 |
322.1 |
0.661 |
2008 |
322.2 |
0.656 |
2009 |
322.3 |
0.651 |
2010 |
322.5 |
0.645 |
2011 |
322.6 |
0.638 |
2012 |
322.7 |
0.631 |
2013 |
322.8 |
0.624 |
2014 |
322.9 |
0.616 |
2015 |
323.1 |
0.607 |
2016 |
323.2 |
0.598 |
2017 |
323.3 |
0.589 |
2018 |
323.5 |
0.579 |
2019 |
323.6 |
0.568 |
2020 |
323.8 |
0.557 |
2021 |
323.9 |
0.545 |
2022 |
324.1 |
0.533 |
2023 |
324.3 |
0.520 |
2024 |
324.5 |
0.507 |
2025 |
324.6 |
0.492 |
2026 |
324.8 |
0.478 |
2027 |
325.1 |
0.462 |
2028 |
325.3 |
0.446 |
2029 |
325.5 |
0.430 |
2030 |
325.8 |
0.412 |
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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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