Coord 2000 | 19594+3206 |
Discov num | A 378 |
Comp | Coord arcsec 2000 | 19 59 22.02 +32 06 28.0 |
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Date first | 1902 |
Date last | 2016 |
Obs | 44 |
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Pa first | 319 |
Pa last | 294 |
P.A. Now (θ) | 291.6° |
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Sep first | 0.4 |
Sep last | 1.0 |
Sep. Now (ρ) | 0.86" |
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Mag pri | 8.48 |
Mag sec | 8.98 |
delta mag (ΔM) | 0.5 |
Spectral class | G5 (yellow) |
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Pri motion ra | +002 |
Sec motion ra | +002 |
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Pri motion dec | -013 |
Sec motion dec | -013 |
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Notes | O
(Orbital solution) |
Precise pa | 293.6 |
Precise sep | 0.974 |
Constellation | Cygnus |
SAO | 69212 |
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Tycho2 | 2674-01000-1 |
Gaia DR2 | 23703611136 |
HD | 189549 |
ADS | 13212 |
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last precise pa | 293.6 |
last precise sep | 0.974 |
Period (P) | 591.302y | ± 325.9371 | Periastron (T) | 2060.8237y | ± 166.8133 | Semi-major axis (a) | 1.57387a | ± 0.84266 |
Eccentricity (e) | 0.70961 | ± 0.26477 | Inclination (i) | 95.414° | ± 9.554 | Longitude of periastron (ω) | 256.252° | ± 32.532 |
Node (Ω) | 108.095° | ± 7.724 | Note | Grade | 5 | (1=Definitive, 9=Indet.) | ||
Equinox | Last observation | 2013 |
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 |
19594+3206 | A 378 | 2005 | 42 | 293 | 0.9 | 8.48 | 8.98 | G5 | 195922.02+320628.0 | ||
19594+3206 | A 378 | 2007 | 44 | 294 | 0.9 | 8.48 | 8.98 | G5 | 195922.02+320628.0 | ||
19594+3206 | A 378 | 2009 | 45 | 292 | 0.9 | 8.48 | 8.98 | G5 | 195922.02+320628.0 | ||
19594+3206 | A 378 | 2012 | 41 | 291 | 0.8 | 8.48 | 8.98 | G5 | 195922.02+320628.0 | ||
19594+3206 | A 378 | 2013 | 42 | 291 | 0.9 | 8.48 | 8.98 | G5 | 195922.02+320628.0 | ||
19594+3206 | A 378 | 2016 | 43 | 294 | 1.0 | 8.48 | 8.98 | G5 | 195922.02+320628.0 |