Coord 2000 | 00576+5424 |
Discov num | HLD 4 |
Comp | Coord arcsec 2000 | 00 57 35.79 +54 23 44.8 |
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Date first | 1881 |
Date last | 2007 |
Obs | 35 |
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Pa first | 125 |
Pa last | 38 |
P.A. Now (θ) | 53.5° |
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Sep first | 1.0 |
Sep last | 0.3 |
Sep. Now (ρ) | 0.46" |
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Mag pri | 9.00 |
Mag sec | 9.50 |
delta mag (ΔM) | 0.5 |
Spectral class | G0 (yellow) |
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Pri motion ra | +054 |
Sec motion ra | |||||||||
Pri motion dec | -014 |
Sec motion dec | |||||||||
Notes | O
(Orbital solution) |
Precise pa | 38.3 |
Precise sep | 0.307 |
Constellation | Cassiopeia |
SAO | 21874 |
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Tycho2 | 3672-00063-1 |
Gaia DR2 | 8342363136 |
HD | 5502 |
ADS | 795 |
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last precise pa | 38.3 |
last precise sep | 0.307 |
Period (P) | 788.16y | Periastron (T) | 1990.92y | Semi-major axis (a) | 0.948a | |||
Eccentricity (e) | 0.892 | Inclination (i) | 13.3° | Longitude of periastron (ω) | 191.7° | |||
Node (Ω) | 90.1° | Note | Grade | 4 | (1=Definitive, 9=Indet.) | |||
Equinox | Last observation | 1996 |
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 |
00576+5424 | HLD 4 | 1996 | 33 | 357 | 0.2 | 9.00 | 9.50 | G0 | O | 005735.79+542344.8 | |
00576+5424 | HLD 4 | 2007 | 34 | 38 | 0.3 | 9.00 | 9.50 | G0 | O | 005735.79+542344.8 |