Coord 2000 | 01316-5322 |
Discov num | I 264 |
Comp | AB |
Coord arcsec 2000 | 01 31 35.29 -53 22 10.1 |
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Date first | 1898 |
Date last | 2017 |
Obs | 45 |
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Pa first | 130 |
Pa last | 26 |
P.A. Now (θ) | 26.1° |
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Sep first | 0.5 |
Sep last | 0.8 |
Sep. Now (ρ) | 0.9" |
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Mag pri | 8.36 |
Mag sec | 8.84 |
delta mag (ΔM) | 0.48 |
Spectral class | F5 (yellow-white) |
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Pri motion ra | +084 |
Sec motion ra | +084 |
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Pri motion dec | +030 |
Sec motion dec | +030 |
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Notes | O
(Orbital solution) |
Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 232450 | 01316-5322 | I 264 | AB | 1898 | 2017 | 45 | 26 | 0.9 | 8.36 | 8.84 | 0.48 | Y | <=== | |
Show | 232450 | 01316-5322 | HJ 3444 | AB,C | 1836 | 2000 | 9 | 7 | 39.0 | 8.01 | 11.20 | 3.19 |
Precise pa | 25.8 |
Precise sep | 0.793 |
Constellation | Eridanus |
SAO | 232450 |
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HIP | 7111 |
Tycho2 | 8475-01039-1 |
Gaia DR2 | 60562750720 |
HD | 9438 |
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CP | CP-54 342 |
Distance | 101.52 |
Distance ly | 331.16 |
last precise pa | 25.8 |
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last precise sep | 0.793 |
Period (P) | 250y | Periastron (T) | 1889.5y | Semi-major axis (a) | 1.46a | |||
Eccentricity (e) | 0.892 | Inclination (i) | 107.4° | Longitude of periastron (ω) | 276.9° | |||
Node (Ω) | 141° | Note | Grade | 5 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation | 1995 |
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 |
01316-5322 | I 264 | AB | 1995 | 36 | 222 | 0.8 | 8.36 | 8.84 | F5 | OD | 013135.29-532210.1 |
01316-5322 | I 264 | AB | 2008 | 37 | 32 | 0.8 | 8.36 | 8.84 | F5 | OD | 013135.29-532210.1 |
01316-5322 | I 264 | AB | 2009 | 39 | 32 | 0.8 | 8.36 | 8.84 | F5 | OD | 013135.29-532210.1 |
01316-5322 | I 264 | AB | 2013 | 43 | 29 | 0.8 | 8.36 | 8.84 | F5 | O | 013135.29-532210.1 |
01316-5322 | I 264 | AB | 2016 | 44 | 26 | 0.8 | 8.36 | 8.84 | F5 | O | 013135.29-532210.1 |
01316-5322 | I 264 | AB | 2017 | 45 | 26 | 0.8 | 8.36 | 8.84 | F5 | O | 013135.29-532210.1 |