Coord 2000 | 00015+3044 |
Discov num | HO 208 |
Comp | Coord arcsec 2000 | 00 01 29.19 +30 44 08.7 |
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Date first | 1884 |
Date last | 2016 |
Obs | 42 |
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Pa first | 236 |
Pa last | 186 |
P.A. Now (θ) | 185.3° |
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Sep first | 0.7 |
Sep last | 1.1 |
Sep. Now (ρ) | 1.02" |
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Mag pri | 8.20 |
Mag sec | 9.81 |
delta mag (ΔM) | 1.61 |
Spectral class | G0IV (yellow) |
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Pri motion ra | -010 |
Sec motion ra | -010 |
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Pri motion dec | -040 |
Sec motion dec | -040 |
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Notes | O
(Orbital solution) |
Precise pa | 185.6 |
Precise sep | 1.108 |
Constellation | Hydra |
SAO | 73691 |
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HIP | 114 |
Tycho2 | 2259-01286-1 |
Gaia DR2 | 2873358345368401792 |
HD | 224882 |
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ADS | 17167 |
BD | BD+29 5046 |
Distance | 117.79 |
Distance ly | 384.23 |
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last precise pa | 185.6 |
last precise sep | 1.108 |
Period (P) | 649.641y | ± 319.4783 | Periastron (T) | 2054.9367y | ± 19.0547 | Semi-major axis (a) | 2.20987a | ± 1.67551 |
Eccentricity (e) | 0.77651 | ± 0.18187 | Inclination (i) | 103.903° | ± 8.166 | Longitude of periastron (ω) | 76.124° | ± 12.674 |
Node (Ω) | 175.491° | ± 5.153 | Note | Grade | 5 | (1=Definitive, 9=Indet.) | ||
Equinox | Last observation | 2015 |
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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 |
00015+3044 | HO 208 | 2002 | 33 | 191 | 1.1 | 8.20 | 9.81 | G0IV | D | 000129.19+304408.7 | |
00015+3044 | HO 208 | 2009 | 34 | 188 | 1.2 | 8.20 | 9.81 | G0IV | D | 000129.19+304408.7 | |
00015+3044 | HO 208 | 2013 | 38 | 187 | 1.0 | 8.20 | 9.81 | G0IV | 000129.19+304408.7 | ||
00015+3044 | HO 208 | 2015 | 39 | 186 | 1.1 | 8.20 | 9.81 | G0IV | 000129.19+304408.7 | ||
00015+3044 | HO 208 | 2016 | 40 | 186 | 1.1 | 8.20 | 9.81 | G0IV | O | 000129.19+304408.7 |