Coord 2000 | 00006-5306 |
Discov num | HJ 5437 |
Comp | Coord arcsec 2000 | 00 00 34.35 -53 05 51.8 |
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Date first | 1836 |
Date last | 2019 |
Obs | 30 |
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Pa first | 296 |
Pa last | 340 |
P.A. Now (θ) | 340.2° |
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Sep first | 2.5 |
Sep last | 1.4 |
Sep. Now (ρ) | 1.33" |
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Mag pri | 6.55 |
Mag sec | 9.85 |
delta mag (ΔM) | 3.3 |
Spectral class | G0/2IV (yellow) |
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Pri motion ra | +060 |
Sec motion ra | +053 |
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Pri motion dec | -028 |
Sec motion dec | -021 |
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Notes | O
(Orbital solution) |
Precise pa | 339.7 |
Precise sep | 1.365 |
Constellation | Hydra |
SAO | 248097 |
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HIP | 50 |
Tycho2 | 8464-00515-1 |
Gaia DR2 | 4972326695628963584 |
HD | 224782 |
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CP | CP-5310565 |
Distance | 59.42 |
Distance ly | 193.83 |
last precise pa | 339.7 |
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last precise sep | 1.365 |
Period (P) | 904.0236y | ± 362.8075 | Periastron (T) | 2063.3249y | ± 16.3824 | Semi-major axis (a) | 2.8038a | ± 1.04206 |
Eccentricity (e) | 0.81172 | ± 0.14686 | Inclination (i) | 49.893° | ± 14.26 | Longitude of periastron (ω) | 79.676° | ± 10.079 |
Node (Ω) | 5.86° | ± 30.497 | Note | Grade | 5 | (1=Definitive, 9=Indet.) | ||
Equinox | Last observation | 2015 |
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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 |
00006-5306 | HJ 5437 | 2001 | 25 | 331 | 1.6 | 6.55 | 9.85 | G0/2IV | D | 000034.35-530551.8 | |
00006-5306 | HJ 5437 | 2008 | 26 | 333 | 1.5 | 6.55 | 9.85 | G0/2IV | D | 000034.35-530551.8 | |
00006-5306 | HJ 5437 | 2015 | 27 | 337 | 1.4 | 6.55 | 9.85 | G0/2IV | 000034.35-530551.8 | ||
00006-5306 | HJ 5437 | 2019 | 29 | 340 | 1.4 | 6.55 | 9.85 | G0/2IV | O | 000034.35-530551.8 |