Coord 2000 | 00431+7659 |
Discov num | HU 1012 |
Comp | Coord arcsec 2000 | 00 43 03.47 +76 59 25.5 |
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Date first | 1904 |
Date last | 2012 |
Obs | 17 |
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Pa first | 210 |
Pa last | 121 |
P.A. Now (θ) | 113.2° |
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Sep first | 0.5 |
Sep last | 0.4 |
Sep. Now (ρ) | 0.52" |
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Mag pri | 9.83 |
Mag sec | 9.71 |
delta mag (ΔM) | 0.12 |
Spectral class | G5 (yellow) |
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Pri motion ra | -021 |
Sec motion ra | -021 |
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Pri motion dec | -004 |
Sec motion dec | -004 |
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Notes | O
(Orbital solution) |
Precise pa | 121.4 |
Precise sep | 0.432 |
Constellation | Cassiopeia |
SAO | 4194 |
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Tycho2 | 4497-00093-1 |
HD | 3871 |
ADS | 584 |
last precise pa | 121.4 |
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last precise sep | 0.432 |
Period (P) | 580y | Periastron (T) | 1875y | Semi-major axis (a) | 1.17a | |||
Eccentricity (e) | 0.687 | Inclination (i) | 108.3° | Longitude of periastron (ω) | 121.1° | |||
Node (Ω) | 38.8° | Note | Grade | 5 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation | 1995 |
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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 |
00431+7659 | HU 1012 | 1995 | 15 | 144 | 0.5 | 9.83 | 9.71 | G5 | O | 004303.47+765925.5 | |
00431+7659 | HU 1012 | 2007 | 16 | 124 | 0.4 | 9.83 | 9.71 | G5 | O | 004303.47+765925.5 |