02396-5425 HU 1350 (HD 16795)
02h 39m 37.90s -54° 25' 00.8" P.A. 40.00 sep 0.9 mag 9.52,9.94 Sp G0V dist. 101.32 pc (330.51 l.y.)
Coord 2000 |
02396-5425 |
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Discov num |
HU 1350 |
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Comp |
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Coord arcsec 2000 |
02 39 37.90 -54 25 00.8 |
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Date first |
1911 |
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Date last |
2018 |
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Obs |
19 |
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Pa first |
210 |
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Pa last |
40 |
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P.A. Now (θ) |
40° |
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Sep first |
0.5 |
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Sep last |
0.857 |
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Sep. Now (ρ) |
0.857" |
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Mag pri |
9.52 |
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Mag sec |
9.94 |
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delta mag (ΔM) |
0.42 |
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Spectral class |
G0V (yellow) |
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Pri motion ra |
-034 |
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Sec motion ra |
-034 |
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Pri motion dec |
-014 |
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Sec motion dec |
-014 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 16795 |
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Constellation |
Horologium |
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SAO |
232850 |
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HIP |
12397 |
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Tycho2 |
8484-01492-1 |
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Gaia DR2 |
4741383211745957120 |
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HD |
16795 |
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CP |
CP-54 464 |
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Distance |
101.32 |
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Distance ly |
330.51 |
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ORBITAL ELEMENTS
Period (P) | 250y | |
Periastron (T) | 1903y | |
Semi-major axis (a) | 0.79a | |
Eccentricity (e) | 0.434 | |
Inclination (i) | 124.7° | |
Longitude of periastron (ω) | 135.9° | |
Node (Ω) | 7.6° | |
Notes | | |
Reference | USN2002 | |
Equinox | 2000 | |
Last observation | 1991 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
54.8 |
0.749 |
2001 |
54.0 |
0.756 |
2002 |
53.2 |
0.764 |
2003 |
52.4 |
0.771 |
2004 |
51.6 |
0.778 |
2005 |
50.9 |
0.785 |
2006 |
50.1 |
0.792 |
2007 |
49.4 |
0.799 |
2008 |
48.7 |
0.806 |
2009 |
48.0 |
0.813 |
2010 |
47.3 |
0.820 |
2011 |
46.6 |
0.827 |
2012 |
46.0 |
0.834 |
2013 |
45.3 |
0.840 |
2014 |
44.7 |
0.847 |
2015 |
44.0 |
0.853 |
2016 |
43.4 |
0.860 |
2017 |
42.8 |
0.866 |
2018 |
42.2 |
0.872 |
2019 |
41.6 |
0.878 |
2020 |
41.0 |
0.884 |
2021 |
40.4 |
0.890 |
2022 |
39.8 |
0.896 |
2023 |
39.2 |
0.902 |
2024 |
38.7 |
0.908 |
2025 |
38.1 |
0.913 |
2026 |
37.6 |
0.919 |
2027 |
37.0 |
0.924 |
2028 |
36.5 |
0.929 |
2029 |
36.0 |
0.934 |
2030 |
35.4 |
0.939 |
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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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