Coord 2000 | 00121-5832 |
Discov num | RST4739 |
Comp | Coord arcsec 2000 | 00 12 05.19 -58 31 29.3 |
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Date first | 1942 |
Date last | 2019 |
Obs | 12 |
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Pa first | 283 |
Pa last | 270 |
P.A. Now (θ) | 267.2° |
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Sep first | 0.3 |
Sep last | 0.3 |
Sep. Now (ρ) | 0.25" |
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Mag pri | 8.44 |
Mag sec | 8.61 |
delta mag (ΔM) | 0.17 |
Spectral class | G5IV/V (yellow) |
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Pri motion ra | +066 |
Sec motion ra | |||||||||
Pri motion dec | -156 |
Sec motion dec | |||||||||
Notes | O
(Orbital solution) |
Precise pa | 269.6 |
Precise sep | 0.256 |
Constellation | Tucana |
SAO | 231967 |
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HIP | 975 |
Tycho2 | 8470-00653-1 |
HD | 791 |
CP | CP-59 10 |
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Distance | 59.38 |
Distance ly | 193.7 |
last precise pa | 269.6 |
last precise sep | 0.256 |
Period (P) | 38.23y | Periastron (T) | 2027.97y | Semi-major axis (a) | 0.226a | |||
Eccentricity (e) | 0.551 | Inclination (i) | 155.6° | Longitude of periastron (ω) | 275.8° | |||
Node (Ω) | 50.1° | Note | Grade | 3 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation | 2018 |
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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coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
00121-5832 | RST4739 | 1991 | 5 | 259 | 0.1 | 8.44 | 8.61 | G5IV/V | 001205.19-583129.3 | ||
00121-5832 | RST4739 | 2008 | 7 | 134 | 0.3 | 8.44 | 8.61 | G5IV/V | 001205.19-583129.3 | ||
00121-5832 | RST4739 | 2015 | 8 | 288 | 0.3 | 8.44 | 8.61 | G5IV/V | 001205.19-583129.3 | ||
00121-5832 | RST4739 | 2017 | 10 | 279 | 0.3 | 8.44 | 8.61 | G5IV/V | 001205.19-583129.3 | ||
00121-5832 | RST4739 | 2018 | 11 | 275 | 0.3 | 8.44 | 8.61 | G5IV/V | 001205.19-583129.3 | ||
00121-5832 | RST4739 | 2019 | 12 | 270 | 0.3 | 8.44 | 8.61 | G5IV/V | O | 001205.19-583129.3 |