Coord 2000 | 19243+2032 | Discov num | HDS2752 | Comp | AB | Coord arcsec 2000 | 19 24 18.14 +20 31 51.1 | ||||
Date first | 1991 | Date last | 2021 | Obs | 9 | ||||||
Pa first | 228 | Pa last | 124.1 | P.A. Now (θ) | 124.1° | ||||||
Sep first | 0.2 | Sep last | 0.286 | Sep. Now (ρ) | 0.286" | ||||||
Mag pri | 9.00 | Mag sec | 10.68 | delta mag (ΔM) | 1.68 | Spectral class | F6V (yellow-white) | ||||
Pri motion ra | +003 | Sec motion ra | |||||||||
Pri motion dec | -002 | Sec motion dec | |||||||||
Notes | N O (See Notes, Orbital solution) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 349993 | 87157 | 19 24 18 +20 31 51 | HDS 2752 AB | 2021 | 9 | 124 | 0.3 | 9.00 | 10.68 | 1.68 | Y | <=== |
Show | 87157 | 19 24 18 +20 31 51 | HDS 2752 AC | 2021 | 3 | 286 | 1.0 | 9.00 | 13.80 | 4.80 |
Name | HD 349993 | Constellation | Vulpecula | SAO | 87157 | HIP | 95389 | ||||
Tycho2 | 1608-00435-1 | HD | 349993 | BD | BD+20 4126 | Distance | 120.48 | ||||
Distance ly | 393.01 |
Period (P) | 60y | Periastron (T) | 1985.47y | Semi-major axis (a) | 0.31a | |||
Eccentricity (e) | 0.694 | Inclination (i) | 118.6° | Longitude of periastron (ω) | 99.1° | |||
Node (Ω) | 68.4° | Notes | n | Reference | Tok2021c | |||
Equinox | 2000 | Last observation | 2019 | 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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