Coord 2000 | 20267-4334 |
Discov num | I 1420 |
Comp | Coord arcsec 2000 | 20 26 44.38 -43 33 56.4 |
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Date first | 1925 |
Date last | 2019 |
Obs | 25 |
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Pa first | 344 |
Pa last | 358 |
P.A. Now (θ) | 358.4° |
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Sep first | 0.7 |
Sep last | 0.3 |
Sep. Now (ρ) | 0.3" |
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Mag pri | 9.38 |
Mag sec | 9.61 |
delta mag (ΔM) | 0.23 |
Spectral class | K0V (yellow-orange) |
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Pri motion ra | +120 |
Sec motion ra | |||||||||
Pri motion dec | -114 |
Sec motion dec | |||||||||
Notes | O
(Orbital solution) |
Precise pa | 358.3 |
Precise sep | 0.302 |
Constellation | Sagittarius |
SAO | 230207 |
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HIP | 100836 |
Tycho2 | 7961-01417-1 |
Gaia DR2 | 45511522048 |
HD | 194327 |
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CD | CD-4313984 |
CP | CP-43 9228 |
Distance | 45.54 |
Distance ly | 148.55 |
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last precise pa | 358.3 |
last precise sep | 0.302 |
Period (P) | 77.81y | Periastron (T) | 1981.04y | Semi-major axis (a) | 0.446a | |||
Eccentricity (e) | 0.336 | Inclination (i) | 79.3° | Longitude of periastron (ω) | 61.6° | |||
Node (Ω) | 159.3° | Note | Grade | 3 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation | 2018 |
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 |
20267-4334 | I 1420 | 1991 | 20 | 152 | 0.3 | 9.38 | 9.61 | K0V | OD | 202644.38-433356.4 | |
20267-4334 | I 1420 | 2008 | 21 | 346 | 0.5 | 9.38 | 9.61 | K0V | OD | 202644.38-433356.4 | |
20267-4334 | I 1420 | 2010 | 22 | 347 | 0.4 | 9.38 | 9.61 | K0V | OD | 202644.38-433356.4 | |
20267-4334 | I 1420 | 2017 | 23 | 355 | 0.3 | 9.38 | 9.61 | K0V | O | 202644.38-433356.4 | |
20267-4334 | I 1420 | 2018 | 24 | 356 | 0.3 | 9.38 | 9.61 | K0V | O | 202644.38-433356.4 | |
20267-4334 | I 1420 | 2019 | 25 | 358 | 0.3 | 9.38 | 9.61 | K0V | O | 202644.38-433356.4 |