Coord 2000 | 01028+0214 |
Discov num | A 2308 |
Comp | Coord arcsec 2000 | 01 02 45.24 +02 13 41.6 |
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Date first | 1910 |
Date last | 2019 |
Obs | 34 |
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Pa first | 338 |
Pa last | 306 |
P.A. Now (θ) | 122.4° |
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Sep first | 0.3 |
Sep last | 0.4 |
Sep. Now (ρ) | 0.41" |
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Mag pri | 9.87 |
Mag sec | 11.73 |
delta mag (ΔM) | 1.86 |
Spectral class | G5 (yellow) |
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Pri motion ra | +116 |
Sec motion ra | |||||||||
Pri motion dec | -008 |
Sec motion dec | |||||||||
Notes | O
(Orbital solution) |
Precise pa | 305.9 |
Precise sep | 0.398 |
Constellation | Cetus |
HIP | 4886 |
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Tycho2 | 0019-00158-1 |
Gaia DR2 | 01095832576 |
ADS | 864 |
BD | BD+01 194 |
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Distance | 111.23 |
Distance ly | 362.83 |
last precise pa | 305.9 |
last precise sep | 0.398 |
Period (P) | 141.8y | ± 5.52 | Periastron (T) | 1958.95y | ± 4.96 | Semi-major axis (a) | 0.367a | ± 0.006 |
Eccentricity (e) | 0.124 | ± 0.025 | Inclination (i) | 62.9° | ± 2.2 | Longitude of periastron (ω) | 10.5° | ± 13.9 |
Node (Ω) | 306.6° | ± 1.7 | Note | Grade | 3 | (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 |
01028+0214 | A 2308 | 1991 | 30 | 232 | 0.2 | 9.87 | 11.73 | G5 | NO | 010245.24+021341.6 | |
01028+0214 | A 2308 | 2008 | 31 | 288 | 0.4 | 9.87 | 11.73 | G5 | NO | 010245.24+021341.6 | |
01028+0214 | A 2308 | 2010 | 32 | 292 | 0.4 | 9.87 | 11.73 | G5 | NO | 010245.24+021341.6 | |
01028+0214 | A 2308 | 2014 | 33 | 299 | 0.4 | 9.87 | 11.73 | G5 | O | 010245.24+021341.6 | |
01028+0214 | A 2308 | 2019 | 34 | 306 | 0.4 | 9.87 | 11.73 | G5 | O | 010245.24+021341.6 |