Coord 2000 | 20347-6319 |
Discov num | HU 1615 |
Comp | Coord arcsec 2000 | 20 34 44.16 -63 18 42.0 |
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Date first | 1914 |
Date last | 2018 |
Obs | 17 |
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Pa first | 359 |
Pa last | 287 |
P.A. Now (θ) | 283.7° |
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Sep first | 0.4 |
Sep last | 0.2 |
Sep. Now (ρ) | 0.23" |
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Mag pri | 8.07 |
Mag sec | 8.21 |
delta mag (ΔM) | 0.14 |
Spectral class | A3V (white) |
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Pri motion ra | +031 |
Sec motion ra | |||||||||
Pri motion dec | -006 |
Sec motion dec | |||||||||
Notes | O
(Orbital solution) |
Precise pa | 287.4 |
Precise sep | 0.199 |
Constellation | Pavo |
SAO | 254818 |
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HIP | 101543 |
Tycho2 | 9104-01084-1 |
Gaia DR2 | 82772505472 |
HD | 195429 |
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CP | CP-63 4590 |
Distance | 183.82 |
Distance ly | 599.62 |
last precise pa | 287.4 |
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last precise sep | 0.199 |
Period (P) | 357.17y | Periastron (T) | 1999.08y | Semi-major axis (a) | 0.387a | |||
Eccentricity (e) | 0.851 | Inclination (i) | 46° | Longitude of periastron (ω) | 263° | |||
Node (Ω) | 257.5° | Note | Grade | 5 | (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 |
20347-6319 | HU 1615 | 1991 | 13 | 66 | 0.1 | 8.07 | 8.21 | A3V | O | 203444.16-631842.0 | |
20347-6319 | HU 1615 | 2008 | 14 | 86 | 0.1 | 8.07 | 8.21 | A3V | O | 203444.16-631842.0 | |
20347-6319 | HU 1615 | 2010 | 15 | 86 | 0.2 | 8.07 | 8.21 | A3V | O | 203444.16-631842.0 | |
20347-6319 | HU 1615 | 2014 | 16 | 101 | 0.2 | 8.07 | 8.21 | A3V | O | 203444.16-631842.0 | |
20347-6319 | HU 1615 | 2018 | 17 | 287 | 0.2 | 8.07 | 8.21 | A3V | O | 203444.16-631842.0 |