Coord 2000 | 09414+3857 | Discov num | STF1374 | Comp | AB | Coord arcsec 2000 | 09 41 21.88 +38 57 01.9 | ||||
Date first | 1828 | Date last | 2019 | Obs | 170 | ||||||
Pa first | 275 | Pa last | 311.9 | P.A. Now (θ) | 311.9° | ||||||
Sep first | 3.3 | Sep last | 2.776 | Sep. Now (ρ) | 2.776" | ||||||
Mag pri | 7.28 | Mag sec | 8.65 | delta mag (ΔM) | 1.37 | Spectral class | G3IV (yellow) | ||||
Pri motion ra | +083 | Sec motion ra | |||||||||
Pri motion dec | -136 | Sec motion dec | |||||||||
Notes | O (Orbital solution) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 83698 | 61629 | 09 41 22 +38 57 02 | STF 1374 AB | 2019 | 170 | 312 | 2.8 | 7.28 | 8.65 | 1.37 | Y | <=== |
Show | 61629 | 09 41 22 +38 57 02 | ABT 7 AC | 2015 | 4 | 10 | 307.3 | 7.28 | 13.13 | 5.85 |
Name | HD 83698 | Constellation | Leo Minor | SAO | 61629 | HIP | 47527 | ||||
Tycho2 | 2992-01245-1 | Gaia DR2 | 800779854724018816 | HD | 83698 | GC | 13361 | ||||
ADS | 7477 | BD | BD+39 2271 | Distance | 51.28 | Distance ly | 167.28 |
Period (P) | 1815.6124y | ± 833.2606 | Periastron (T) | 1709.621y | ± 248.7598 | Semi-major axis (a) | 10.43453a | ± 6.12488 |
Eccentricity (e) | 0.85356 | ± 0.11261 | Inclination (i) | 79.718° | ± 9.103 | Longitude of periastron (ω) | 106.457° | ± 25.365 |
Node (Ω) | 75.058° | ± 18.545 | Notes | Reference | Izm2019 | |||
Equinox | Last observation | 2015 | Grade | 4 | (1=Definitive, 9=Indet.) |
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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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