Coord 2000 | 09207-0742 |
Discov num | A 1082 |
Comp | AB |
Coord arcsec 2000 | 09 20 39.31 -07 41 56.0 |
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Date first | 1905 |
Date last | 2019 |
Obs | 23 |
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Pa first | 160 |
Pa last | 200 |
P.A. Now (θ) | 199.5° |
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Sep first | 0.8 |
Sep last | 0.6 |
Sep. Now (ρ) | 0.59" |
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Mag pri | 9.30 |
Mag sec | 10.40 |
delta mag (ΔM) | 1.1 |
Spectral class | K0 (yellow-orange) |
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Pri motion ra | -135 |
Sec motion ra | |||||||||
Pri motion dec | -014 |
Sec motion dec | |||||||||
Notes | O
(Orbital solution) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 09 20 39 -07 41 56 | A 1082 AB | 2019 | 23 | 200 | 0.6 | 9.30 | 10.40 | 1.10 | Y | <=== | ||
Show | 09 20 44 -07 43 48 | BGH 4 CA | 2015 | 17 | 326 | 135.0 | 7.46 | 9.30 | 1.84 | ||||
Show | 09 20 44 -07 43 48 | TOK 527 CD | 2015 | 4 | 342 | 999.9 | 7.46 | 17.80 | 10.34 |
Precise pa | 200.2 |
Precise sep | 0.586 |
Constellation | Hydra |
Tycho2 | 5459-00108-1 |
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Gaia DR2 | 5744858885451276544 |
HD | 80615 |
ADS | 7316 |
last precise pa | 200.2 |
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last precise sep | 0.586 |
Period (P) | 212.7y | Periastron (T) | 1987.66y | Semi-major axis (a) | 0.6a | |||
Eccentricity (e) | 0.644 | Inclination (i) | 127° | Longitude of periastron (ω) | 24.2° | |||
Node (Ω) | 5° | Note | Grade | 4 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation | 2009 |
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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 |
09207-0742 | A 1082 | AB | 1991 | 17 | 327 | 0.2 | 9.40 | 10.40 | K0 | NO | 092039.31-074156.0 |
09207-0742 | A 1082 | AB | 2009 | 18 | 214 | 0.4 | 9.40 | 10.40 | K0 | NO | 092039.31-074156.0 |
09207-0742 | A 1082 | AB | 2011 | 19 | 211 | 0.4 | 9.30 | 10.40 | K0 | NO | 092039.31-074156.0 |
09207-0742 | A 1082 | AB | 2013 | 20 | 207 | 0.5 | 9.30 | 10.40 | K0 | NO | 092039.31-074156.0 |
09207-0742 | A 1082 | AB | 2019 | 22 | 200 | 0.6 | 9.30 | 10.40 | K0 | O | 092039.31-074156.0 |