Coord 2000 | 20210+3919 |
Discov num | SEI1097 |
Comp | AB |
Coord arcsec 2000 | 20 21 02.17 +39 17 33.7 |
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Date first | 1892 |
Date last | 2015 |
Obs | 23 |
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Pa first | 51 |
Pa last | 44 |
P.A. Now (θ) | 44° |
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Sep first | 23.3 |
Sep last | 27.2 |
Sep. Now (ρ) | 27.2" |
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Mag pri | 11.20 |
Mag sec | 12.19 |
delta mag (ΔM) | 0.99 |
Spectral class | |||||
Pri motion ra | -004 |
Sec motion ra | +004 |
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Pri motion dec | -022 |
Sec motion dec | +013 |
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Notes | L
(Linear solution) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 20 21 02 +39 17 34 | SEI 1097 AB | 2015 | 23 | 44 | 27.2 | 11.20 | 12.19 | 0.99 | <=== | |||
Show | 20 21 04 +39 17 52 | TOB 186 BC | 2015 | 10 | 51 | 16.2 | 12.19 | 12.09 | 0.10 |
Precise pa | 44.3 |
Precise sep | 27.193 |
Constellation | Cygnus |
Tycho2 | 3152-00403-1 |
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Gaia DR2 | 2061412365949650688 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20210+3919 | SEI1097 | AB | 1998 | 8 | 45 | 26.6 | 11.20 | 12.02 | LD | 202102.17+391733.7 | |
20210+3919 | SEI1097 | AB | 2008 | 9 | 46 | 27.2 | 11.20 | 12.02 | LD | 202102.17+391733.7 | |
20210+3919 | SEI1097 | AB | 2015 | 11 | 44 | 27.2 | 11.20 | 12.19 | L | 202102.17+391733.7 |