Coord 2000 | 19429+4043 |
Discov num | STT 383 |
Comp | AB |
Coord arcsec 2000 | 19 42 56.26 +40 43 18.3 |
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Date first | 1843 |
Date last | 2014 |
Obs | 58 |
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Pa first | 25 |
Pa last | 15 |
P.A. Now (θ) | 14.5° |
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Sep first | 0.6 |
Sep last | 0.8 |
Sep. Now (ρ) | 0.78" |
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Mag pri | 7.03 |
Mag sec | 8.28 |
delta mag (ΔM) | 1.25 |
Spectral class | B9.5V (blue-white) |
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Pri motion ra | +004 |
Sec motion ra | +004 |
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Pri motion dec | -007 |
Sec motion dec | -007 |
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Notes | O
(Orbital solution) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 48756 | 19 42 56 +40 43 18 | STT 383 AB | 2014 | 58 | 14 | 0.8 | 7.03 | 8.28 | 1.25 | Y | <=== | |
Show | 48756 | 19 42 56 +40 43 18 | STT 383 AC | 2002 | 10 | 99 | 45.2 | 7.03 | 11.60 | 4.57 | |||
Show | 48756 | 19 42 56 +40 43 18 | STT 383 AD | 2002 | 5 | 43 | 68.1 | 7.03 | 12.45 | 5.42 |
Precise pa | 14.7 |
Precise sep | 0.783 |
Constellation | Cygnus |
SAO | 48756 |
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HIP | 97001 |
Tycho2 | 3140-01594-1 |
Gaia DR2 | 2076617550907389568 |
HD | 186465 |
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ADS | 12831 |
BD | BD+40 3856 |
Distance | 154.56 |
Distance ly | 504.17 |
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last precise pa | 14.7 |
last precise sep | 0.783 |
Period (P) | 1125y | ± 186 | Periastron (T) | 2176.5y | ± 7.6 | Semi-major axis (a) | 0.893a | ± 0.104 |
Eccentricity (e) | 0.417 | ± 0.089 | Inclination (i) | 101° | ± 2 | Longitude of periastron (ω) | 100.8° | ± 15.1 |
Node (Ω) | 15.1° | ± 1.2 | Note | Grade | 4 | (1=Definitive, 9=Indet.) | ||
Equinox | Last observation |
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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 |
19429+4043 | STT 383 | AB | 2004 | 50 | 15 | 0.8 | 7.03 | 8.28 | B9.5V | D | 194256.26+404318.3 |
19429+4043 | STT 383 | AB | 2007 | 52 | 16 | 0.8 | 7.03 | 8.28 | B9.5V | D | 194256.26+404318.3 |
19429+4043 | STT 383 | AB | 2009 | 53 | 15 | 0.8 | 7.03 | 8.28 | B9.5V | D | 194256.26+404318.3 |
19429+4043 | STT 383 | AB | 2013 | 55 | 15 | 0.9 | 7.03 | 8.28 | B9.5V | 194256.26+404318.3 | |
19429+4043 | STT 383 | AB | 2014 | 56 | 15 | 0.8 | 7.03 | 8.28 | B9.5V | 194256.26+404318.3 |