Coord 2000 | 10282-2548 |
Discov num | FIN 308 |
Comp | AB |
Coord arcsec 2000 | 10 28 10.54 -25 48 26.4 |
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Date first | 1936 |
Date last | 2020 |
Obs | 22 |
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Pa first | 68 |
Pa last | 182 |
P.A. Now (θ) | 179.6° |
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Sep first | 0.2 |
Sep last | 0.1 |
Sep. Now (ρ) | 0.1" |
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Mag pri | 9.14 |
Mag sec | 9.68 |
delta mag (ΔM) | 0.54 |
Spectral class | G3V (yellow) |
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Pri motion ra | -062 |
Sec motion ra | |||||||||
Pri motion dec | +028 |
Sec motion dec | |||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 178853 | 10 28 11 -25 48 26 | FIN 308 AB | 2020 | 22 | 180 | 0.1 | 9.14 | 9.68 | 0.54 | Y | <=== | |
Show | 178853 | 10 28 11 -25 48 26 | B 199 AB,C | 2020 | 24 | 174 | 1.2 | 8.56 | 12.41 | 3.85 |
Precise pa | 181.8 |
Precise sep | 0.103 |
Constellation | Hydra |
SAO | 178853 |
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HIP | 51255 |
Tycho2 | 6624-00602-1 |
Gaia DR2 | 5469406625417045760 |
HD | 90737 |
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ADS | 7787 |
CD | CD-25 8055 |
CP | CP-25 4584 |
Distance | 89.13 |
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Distance ly | 290.74 |
last precise pa | 181.8 |
last precise sep | 0.103 |
Period (P) | 32.76y | ± 2.67 | Periastron (T) | 2018.13y | ± 1.28 | Semi-major axis (a) | 0.144a | ± 0.033 |
Eccentricity (e) | 0.739 | ± 0.135 | Inclination (i) | 48.6° | ± 16.2 | Longitude of periastron (ω) | 270.6° | ± 2.7 |
Node (Ω) | 155.4° | ± 4.5 | Note | Grade | 3 | (1=Definitive, 9=Indet.) | ||
Equinox | 2000 | Last observation | 2014 |
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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 |
10282-2548 | FIN 308 | AB | 1993 | 11 | 212 | 0.1 | 9.68 | 9.14 | G3V | NO | 102810.54-254826.4 |
10282-2548 | FIN 308 | AB | 2009 | 12 | 95 | 0.1 | 9.68 | 9.14 | G3V | NO | 102810.54-254826.4 |
10282-2548 | FIN 308 | AB | 2010 | 13 | 103 | 0.1 | 9.68 | 9.14 | G3V | NO | 102810.54-254826.4 |
10282-2548 | FIN 308 | AB | 2012 | 14 | 109 | 0.1 | 9.68 | 9.14 | G3V | NO | 102810.54-254826.4 |
10282-2548 | FIN 308 | AB | 2013 | 15 | 294 | 0.1 | 9.68 | 9.14 | G3V | NO | 102810.54-254826.4 |
10282-2548 | FIN 308 | AB | 2014 | 17 | 308 | 0.1 | 9.68 | 9.14 | G3V | NO | 102810.54-254826.4 |
10282-2548 | FIN 308 | AB | 2015 | 19 | 323 | 0.1 | 9.14 | 9.68 | G3V | NO | 102810.54-254826.4 |
10282-2548 | FIN 308 | AB | 2016 | 20 | 350 | 0.1 | 9.14 | 9.68 | G3V | NO | 102810.54-254826.4 |
10282-2548 | FIN 308 | AB | 2018 | 21 | 145 | 0.0 | 9.14 | 9.68 | G3V | NO | 102810.54-254826.4 |
10282-2548 | FIN 308 | AB | 2019 | 22 | 168 | 1.1 | 9.14 | 9.68 | G3V | NO | 102810.54-254826.4 |