Coord 2000 | 00521-1314 |
Discov num | HU 201 |
Comp | Coord arcsec 2000 | 00 52 07.81 -13 13 50.0 |
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Date first | 1900 |
Date last | 2008 |
Obs | 46 |
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Pa first | 129 |
Pa last | 116 |
P.A. Now (θ) | 120.7° |
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Sep first | 0.6 |
Sep last | 0.9 |
Sep. Now (ρ) | 0.85" |
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Mag pri | 10.09 |
Mag sec | 10.47 |
delta mag (ΔM) | 0.38 |
Spectral class | K1V (yellow-orange) |
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Pri motion ra | +077 |
Sec motion ra | +077 |
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Pri motion dec | -093 |
Sec motion dec | -093 |
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Notes | O
(Orbital solution) |
Precise pa | 115.7 |
Precise sep | 0.885 |
Constellation | Cetus |
SAO | 147487 |
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HIP | 4066 |
Tycho2 | 5272-01666-1 |
HD | 5041 |
ADS | 713 |
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BD | BD-14 152 |
Distance | 60.94 |
Distance ly | 198.79 |
last precise pa | 115.7 |
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last precise sep | 0.885 |
Period (P) | 128.9y | Periastron (T) | 1932.97y | Semi-major axis (a) | 0.542a | |||
Eccentricity (e) | 0.688 | Inclination (i) | 44.1° | Longitude of periastron (ω) | 160° | |||
Node (Ω) | 124.6° | Note | Grade | 3 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation | 2008 |
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 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
00521-1314 | HU 201 | 1994 | 45 | 108 | 0.9 | 10.09 | 10.47 | K1V | NOD | 005207.81-131350.0 | |
00521-1314 | HU 201 | 2008 | 46 | 116 | 0.9 | 10.09 | 10.47 | K1V | NOD | 005207.81-131350.0 |