Coord 2000 | 20117+3458 |
Discov num | SEI 977 |
Comp | Coord arcsec 2000 | 20 11 43.26 +34 57 25.8 |
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Date first | 1896 |
Date last | 2015 |
Obs | 19 |
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Pa first | 39 |
Pa last | 39 |
P.A. Now (θ) | 39° |
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Sep first | 12.9 |
Sep last | 15.2 |
Sep. Now (ρ) | 15.2" |
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Mag pri | 11.84 |
Mag sec | 11.89 |
delta mag (ΔM) | 0.05 |
Spectral class | |||||
Pri motion ra | -015 |
Sec motion ra | -002 |
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Pri motion dec | -015 |
Sec motion dec | -002 |
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Notes | L
(Linear solution) |
Precise pa | 38.7 |
Precise sep | 15.225 |
Constellation | Cygnus |
Tycho2 | 2679-02098-1 |
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Gaia DR2 | 2058755469135687808 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20117+3458 | SEI 977 | 1998 | 5 | 39 | 14.9 | 11.84 | 11.89 | LD | 201143.26+345725.8 | ||
20117+3458 | SEI 977 | 2002 | 6 | 39 | 15.0 | 11.84 | 11.89 | LD | 201143.26+345725.8 | ||
20117+3458 | SEI 977 | 2011 | 7 | 39 | 15.2 | 11.84 | 11.89 | LD | 201143.26+345725.8 | ||
20117+3458 | SEI 977 | 2015 | 19 | 39 | 15.2 | 11.84 | 11.89 | L | 201143.26+345725.8 |