| Coord 2000 | 00357+3429 |
Discov num | HU 1011 |
Comp | Coord arcsec 2000 | 00 35 39.48 +34 28 46.6 |
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| Date first | 1904 |
Date last | 2016 |
Obs | 26 |
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| Pa first | 132 |
Pa last | 82 |
P.A. Now (θ) | 87.3° |
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| Sep first | 0.4 |
Sep last | 0.3 |
Sep. Now (ρ) | 0.41" |
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| Mag pri | 8.43 |
Mag sec | 9.78 |
delta mag (ΔM) | 1.35 |
Spectral class | A2 (white) |
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| Pri motion ra | +047 |
Sec motion ra | |||||||||
| Pri motion dec | +001 |
Sec motion dec | |||||||||
| Notes | O
(Orbital solution) |
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| Precise pa | 81.7 |
Precise sep | 0.339 |
Constellation | Hydra |
SAO | 54008 |
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| HIP | 2801 |
Tycho2 | 2270-01049-1 |
Gaia DR2 | 365056625134636416 |
HD | 3212 |
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| ADS | 492 |
BD | BD+33 75 |
Distance | 162.07 |
Distance ly | 528.67 |
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| last precise pa | 81.7 |
last precise sep | 0.339 |
| Period (P) | 473.78y | Periastron (T) | 2278.94y | Semi-major axis (a) | 0.387a | |||
| Eccentricity (e) | 0.479 | Inclination (i) | 134.6° | Longitude of periastron (ω) | 260.9° | |||
| Node (Ω) | 155.7° | Note | Grade | 5 | (1=Definitive, 9=Indet.) | |||
| Equinox | 2000 | Last observation | 1997 |
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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 |
| 00357+3429 | HU 1011 | 1999 | 23 | 92 | 0.4 | 8.43 | 9.78 | A2 | OD | 003539.48+342846.6 | |
| 00357+3429 | HU 1011 | 2007 | 24 | 87 | 0.4 | 8.43 | 9.78 | A2 | OD | 003539.48+342846.6 | |
| 00357+3429 | HU 1011 | 2011 | 25 | 89 | 0.3 | 8.43 | 9.78 | A2 | O | 003539.48+342846.6 | |
| 00357+3429 | HU 1011 | 2016 | 26 | 82 | 0.3 | 8.43 | 9.78 | A2 | O | 003539.48+342846.6 |