Coord 2000 | 00167+3629 |
Discov num | STT 4 |
Comp | Coord arcsec 2000 | 00 16 44.54 +36 29 29.4 |
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Date first | 1845 |
Date last | 2011 |
Obs | 156 |
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Pa first | 201 |
Pa last | 70 |
P.A. Now (θ) | 322.5° |
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Sep first | 0.5 |
Sep last | 0.2 |
Sep. Now (ρ) | 0.18" |
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Mag pri | 7.94 |
Mag sec | 9.88 |
delta mag (ΔM) | 1.94 |
Spectral class | G0 (yellow) |
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Pri motion ra | +093 |
Sec motion ra | +093 |
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Pri motion dec | +053 |
Sec motion dec | +053 |
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Notes |
Precise pa | 70.2 |
Precise sep | 0.18 |
Constellation | Hydra |
SAO | 53773 |
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HIP | 1336 |
Tycho2 | 2272-01489-1 |
Gaia DR2 | 2876640215778437504 |
HD | 1224 |
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ADS | 221 |
BD | BD+35 34 |
Distance | 78 |
Distance ly | 254.44 |
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last precise pa | 70.2 |
last precise sep | 0.18 |
Period (P) | 108.9y | Periastron (T) | 1907.9y | Semi-major axis (a) | 0.35a | |||
Eccentricity (e) | 0.56 | Inclination (i) | 162.5° | Longitude of periastron (ω) | 356.3° | |||
Node (Ω) | 10.8° | Note | Grade | 2 | (1=Definitive, 9=Indet.) | |||
Equinox | Last observation | 1999 |
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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 |
00167+3629 | STT 4 | 2007 | 154 | 103 | 0.3 | 7.94 | 9.88 | G0 | NOD | 001644.54+362929.4 |