Coord 2000 | 01198-0031 |
Discov num | STF 113 |
Comp | A,BC |
Coord arcsec 2000 | 01 19 48.30 -00 30 32.5 |
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Date first | 1829 |
Date last | 2016 |
Obs | 326 |
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Pa first | 331 |
Pa last | 21 |
P.A. Now (θ) | 21.3° |
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Sep first | 1.3 |
Sep last | 1.6 |
Sep. Now (ρ) | 1.64" |
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Mag pri | 6.45 |
Mag sec | 6.99 |
delta mag (ΔM) | 0.54 |
Spectral class | A2V+G4III (white/yellow) |
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Pri motion ra | +014 |
Sec motion ra | +014 |
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Pri motion dec | -016 |
Sec motion dec | -016 |
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Notes |
Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 42 Cet | 129235 | 01198-0031 | STF 113 | A,BC | 1829 | 2016 | 326 | 21 | 1.6 | 6.45 | 6.99 | 0.54 | Y | <=== |
Show | 129235 | 01198-0031 | FIN 337 | BC | 1958 | 2015 | 84 | 148 | 0.1 | 7.40 | 7.60 | 0.20 | Y |
Precise pa | 21.4 |
Precise sep | 1.623 |
Name | 42 Cet |
Constellation | Cetus |
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SAO | 129235 |
HIP | 6226 |
HD | 8036 |
HR | 385 |
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GC | 1600 |
ADS | 1081 |
Flamsteed | 42 Ceti |
Flamsteed name | 42 Cet |
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Distance | 100.7 |
Distance ly | 328.48 |
last precise pa | 21.4 |
last precise sep | 1.623 |
Period (P) | 650y | Periastron (T) | 1686y | Semi-major axis (a) | 1.324a | |||
Eccentricity (e) | 0.64 | Inclination (i) | 43.5° | Longitude of periastron (ω) | 106.7° | |||
Node (Ω) | 87.2° | Note | Grade | 4 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation | 2013 |
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 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
01198-0031 | STF 113 | A,BC | 2010 | 332 | 19 | 1.5 | 6.45 | 6.99 | A2V+G4III | N D | 011948.29-003032.4 |
01198-0031 | STF 113 | A,BC | 2011 | 337 | 20 | 1.7 | 6.45 | 6.99 | A2V G4III | N D | 011948.29-003032.4 |
01198-0031 | STF 113 | A,BC | 2013 | 338 | 22 | 1.7 | 6.45 | 6.99 | A2V G4III | N D | 011948.29-003032.4 |
01198-0031 | STF 113 | A,BC | 2014 | 323 | 22 | 1.7 | 6.45 | 6.99 | A2V+G4III | NOD | 011948.29-003032.4 |
01198-0031 | STF 113 | A,BC | 2015 | 324 | 22 | 1.6 | 6.45 | 6.99 | A2V+G4III | NOD | 011948.29-003032.4 |
01198-0031 | STF 113 | A,BC | 2016 | 325 | 21 | 1.6 | 6.45 | 6.99 | A2V+G4III | NO | 011948.30-003032.5 |