Coord 2000 | 20251+5936 |
Discov num | A 730 |
Comp | Coord arcsec 2000 | 20 25 05.00 +59 36 00.4 |
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Date first | 1904 |
Date last | 2008 |
Obs | 64 |
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Pa first | 314 |
Pa last | 284 |
P.A. Now (θ) | 241.1° |
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Sep first | 0.2 |
Sep last | 0.2 |
Sep. Now (ρ) | 0.11" |
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Mag pri | 6.94 |
Mag sec | 7.63 |
delta mag (ΔM) | 0.69 |
Spectral class | A2IV (white) |
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Pri motion ra | -002 |
Sec motion ra | |||||||||
Pri motion dec | -005 |
Sec motion dec | |||||||||
Notes |
Precise pa | 283.9 |
Precise sep | 0.157 |
Constellation | Cygnus |
SAO | 32562 |
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HIP | 100714 |
Tycho2 | 3949-02016-1 |
Gaia DR2 | 98775572096 |
HD | 194882 |
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HR | 7818 |
ADS | 13850 |
BD | BD+59 2228 |
Distance | 251.26 |
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Distance ly | 819.61 |
last precise pa | 283.9 |
last precise sep | 0.157 |
Period (P) | 175.089y | Periastron (T) | 2038.638y | Semi-major axis (a) | 0.231a | |||
Eccentricity (e) | 0.005 | Inclination (i) | 118.5° | Longitude of periastron (ω) | 309.2° | |||
Node (Ω) | 152.2° | Note | Grade | 3 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation | 2008 |
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 |
20251+5936 | A 730 | 2004 | 62 | 293 | 0.2 | 6.94 | 7.63 | A2IV | NO | 202505.00+593600.4 | |
20251+5936 | A 730 | 2008 | 64 | 284 | 0.2 | 6.94 | 7.63 | A2IV | NO | 202505.00+593600.4 | |
20251+5936 | A 730 | 2009 | 64 | 274 | 0.2 | 6.94 | 7.63 | A2IV | NO | 202505.00+593600.4 |