Coord 2000 | 01220-6943 |
Discov num | I 263 |
Comp | Coord arcsec 2000 | 01 21 58.64 -69 43 07.6 |
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Date first | 1897 |
Date last | 2018 |
Obs | 48 |
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Pa first | 52 |
Pa last | 296 |
P.A. Now (θ) | 296.4° |
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Sep first | 0.7 |
Sep last | 0.4 |
Sep. Now (ρ) | 0.39" |
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Mag pri | 7.66 |
Mag sec | 8.61 |
delta mag (ΔM) | 0.95 |
Spectral class | F3V (yellow-white) |
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Pri motion ra | -002 |
Sec motion ra | -002 |
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Pri motion dec | +006 |
Sec motion dec | +006 |
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Notes |
Precise pa | 296.4 |
Precise sep | 0.376 |
Constellation | Tucana |
SAO | 248370 |
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HIP | 6377 |
Tycho2 | 9136-01600-1 |
HD | 8519 |
CP | CP-70 64 |
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Distance | 89.61 |
Distance ly | 292.31 |
last precise pa | 296.4 |
last precise sep | 0.376 |
Period (P) | 272.15y | ± 47.48 | Periastron (T) | 1936.56y | ± 5.3 | Semi-major axis (a) | 0.791a | ± 0.075 |
Eccentricity (e) | 0.374 | ± 0.059 | Inclination (i) | 68.6° | ± 1.9 | Longitude of periastron (ω) | 297.3° | ± 14.1 |
Node (Ω) | 231.3° | ± 2.8 | Note | Grade | 4 | (1=Definitive, 9=Indet.) | ||
Equinox | 2000 | Last observation | 2014 |
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 |
01220-6943 | I 263 | 2001 | 42 | 267 | 0.5 | 7.66 | 8.61 | F3V | NOD | 012158.64-694307.6 | |
01220-6943 | I 263 | 2008 | 45 | 278 | 0.4 | 7.66 | 8.61 | F3V | NOD | 012158.64-694307.6 | |
01220-6943 | I 263 | 2009 | 46 | 279 | 0.4 | 7.66 | 8.61 | F3V | NOD | 012158.64-694307.6 | |
01220-6943 | I 263 | 2014 | 47 | 289 | 0.4 | 7.66 | 8.61 | F3V | NO | 012158.64-694307.6 | |
01220-6943 | I 263 | 2018 | 48 | 296 | 0.4 | 7.66 | 8.61 | F3V | NO | 012158.64-694307.6 |